From: adheli.tavares <adheli.tavares@est.tech>
Date: Thu, 17 Aug 2023 21:09:58 +0000 (+0100)
Subject: Java 17 / Spring 6 / Spring Boot 3 Upgrade
X-Git-Url: https://gerrit.onap.org/r/gitweb?a=commitdiff_plain;h=08d36423f39ad97783221b6144111a663b6fbfc8;p=policy%2Fpap.git

Java 17 / Spring 6 / Spring Boot 3 Upgrade

Issue-ID: POLICY-4671
Change-Id: I249416af830db638a314325e45948015a21134d4
Signed-off-by: adheli.tavares <adheli.tavares@est.tech>
---

diff --git a/.gitreview b/.gitreview
index a4aa6a07..24a6508b 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
 host=gerrit.onap.org
 port=29418
 project=policy/pap.git
-defaultbranch=master
+defaultbranch=java-17
diff --git a/main/pom.xml b/main/pom.xml
index 636fce34..4dc2597e 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -1,6 +1,6 @@
 <!--
   ============LICENSE_START=======================================================
-   Copyright (C) 2019,2023 Nordix Foundation.
+   Copyright (C) 2019, 2023 Nordix Foundation.
    Modifications Copyright (C) 2019-2020 AT&T Intellectual Property.
    Modifications Copyright (C) 2020-2023 Bell Canada.
   ================================================================================
@@ -34,10 +34,41 @@
     <description>The main module of Policy Administration Backend that handles startup, lifecycle management, and parameters.</description>
 
     <dependencies>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>policy-endpoints</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.models</groupId>
+            <artifactId>policy-models-pap</artifactId>
+            <version>${policy.models.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.models</groupId>
+            <artifactId>policy-models-pdp</artifactId>
+            <version>${policy.models.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>spring-utils</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>utils-test</artifactId>
+            <version>${policy.common.version}</version>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-tomcat</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
@@ -57,7 +88,6 @@
         <dependency>
             <groupId>io.micrometer</groupId>
             <artifactId>micrometer-registry-prometheus</artifactId>
-            <version>${version.io.micrometer}</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
@@ -65,70 +95,37 @@
             <artifactId>kafka-clients</artifactId>
             <scope>provided</scope>
         </dependency>
-
-        <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>policy-endpoints</artifactId>
-            <version>${policy.common.version}</version>
-        </dependency>
         <dependency>
-            <groupId>org.onap.policy.models</groupId>
-            <artifactId>policy-models-pap</artifactId>
-            <version>${policy.models.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.onap.policy.models</groupId>
-            <artifactId>policy-models-pdp</artifactId>
-            <version>${policy.models.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>spring-utils</artifactId>
-            <version>${policy.common.version}</version>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <version>2.1.0</version>
         </dependency>
         <dependency>
-            <groupId>org.onap.policy.common</groupId>
-            <artifactId>utils-test</artifactId>
-            <version>${policy.common.version}</version>
-            <scope>test</scope>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <artifactId>tomcat-embed-core</artifactId>
+            <version>10.1.11</version>
         </dependency>
+
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.security</groupId>
-            <artifactId>spring-security-test</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.junit.vintage</groupId>
-            <artifactId>junit-vintage-engine</artifactId>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-test</artifactId>
+            <version>${version.spring-security}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springdoc</groupId>
-            <artifactId>springdoc-openapi-ui</artifactId>
+            <scope>test</scope>
         </dependency>
     </dependencies>
 
@@ -154,6 +151,7 @@
             <plugin>
                 <groupId>io.swagger.codegen.v3</groupId>
                 <artifactId>swagger-codegen-maven-plugin</artifactId>
+                <version>3.0.46</version>
                 <executions>
                     <execution>
                         <id>code-gen</id>
@@ -187,6 +185,7 @@
                                 <dateLibrary>java11</dateLibrary>
                                 <interfaceOnly>true</interfaceOnly>
                                 <useTags>true</useTags>
+                                <jakarta>true</jakarta>
                             </configOptions>
                         </configuration>
                     </execution>
@@ -195,6 +194,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${version.springboot}</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java b/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java
index 4bbf29f6..f60728f0 100644
--- a/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java
+++ b/main/src/main/java/org/onap/policy/pap/main/config/PapAafConfig.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021-2022 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +21,7 @@
 
 package org.onap.policy.pap.main.config;
 
-import javax.servlet.Filter;
+import jakarta.servlet.Filter;
 import org.onap.policy.pap.main.rest.PapAafFilter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
diff --git a/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java b/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java
index 7d854598..181ea434 100644
--- a/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java
+++ b/main/src/main/java/org/onap/policy/pap/main/config/WebSecurityConfig.java
@@ -23,7 +23,9 @@ package org.onap.policy.pap.main.config;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
 import org.springframework.security.web.SecurityFilterChain;
 
 /**
@@ -40,11 +42,9 @@ public class WebSecurityConfig {
     @Bean
     public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
         http
-            .httpBasic()
-            .and()
-            .authorizeHttpRequests().anyRequest().authenticated()
-            .and()
-            .csrf().disable();
+            .httpBasic(Customizer.withDefaults())
+            .authorizeHttpRequests(authorize -> authorize.anyRequest().authenticated())
+            .csrf(AbstractHttpConfigurer::disable);
         return http.build();
     }
-}
\ No newline at end of file
+}
diff --git a/main/src/main/java/org/onap/policy/pap/main/exception/ServiceExceptionHandler.java b/main/src/main/java/org/onap/policy/pap/main/exception/ServiceExceptionHandler.java
index 80887961..58876fc8 100644
--- a/main/src/main/java/org/onap/policy/pap/main/exception/ServiceExceptionHandler.java
+++ b/main/src/main/java/org/onap/policy/pap/main/exception/ServiceExceptionHandler.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +21,7 @@
 
 package org.onap.policy.pap.main.exception;
 
-import javax.ws.rs.core.Response;
+import jakarta.ws.rs.core.Response;
 import org.aspectj.lang.JoinPoint;
 import org.aspectj.lang.annotation.AfterThrowing;
 import org.aspectj.lang.annotation.Aspect;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java
index ce7fdaa7..05144152 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupCreateOrUpdateProvider.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP PAP
  * ================================================================================
- * Copyright (C) 2019-2021 Nordix Foundation.
+ * Copyright (C) 2019-2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
  * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,6 +22,7 @@
 
 package org.onap.policy.pap.main.rest;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -31,7 +32,6 @@ import java.util.Objects;
 import java.util.Set;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response.Status;
 import org.onap.policy.common.parameters.BeanValidationResult;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.parameters.ValidationStatus;
@@ -84,7 +84,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
         List<PdpSubGroup> subGroupsWithPolicies =
             groups.getGroups().parallelStream().flatMap(group -> group.getPdpSubgroups().parallelStream())
                 .filter(subGroup -> null != subGroup.getPolicies() && !subGroup.getPolicies().isEmpty())
-                .collect(Collectors.toList());
+                .toList();
         if (!subGroupsWithPolicies.isEmpty()) {
             logger.warn(
                 "Policies cannot be deployed during PdpGroup Create/Update operation. Ignoring the list of policies");
@@ -96,7 +96,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Creates or updates PDP groups. This is the method that does the actual work.
      *
-     * @param data session data
+     * @param data   session data
      * @param groups PDP group configurations
      * @throws PfModelException if an error occurred
      */
@@ -134,7 +134,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Adds a new group.
      *
-     * @param data session data
+     * @param data  session data
      * @param group the group to be added
      * @return the validation result
      * @throws PfModelException if an error occurred
@@ -166,7 +166,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Performs additional validations of a group, but does not examine the subgroups.
      *
-     * @param group the group to be validated
+     * @param group  the group to be validated
      * @param result the validation result
      */
     private void validateGroupOnly(PdpGroup group, BeanValidationResult result) {
@@ -174,24 +174,19 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
             return;
         }
 
-        switch (group.getPdpGroupState()) {
-            case ACTIVE:
-            case PASSIVE:
-                break;
-
-            default:
-                result.addResult("pdpGroupState", group.getPdpGroupState(),
-                                ValidationStatus.INVALID, "must be null, ACTIVE, or PASSIVE");
-                break;
+        PdpState pdpGroupState = group.getPdpGroupState();
+        if (pdpGroupState != PdpState.ACTIVE && pdpGroupState != PdpState.PASSIVE) {
+            result.addResult("pdpGroupState", group.getPdpGroupState(),
+                ValidationStatus.INVALID, "must be null, ACTIVE, or PASSIVE");
         }
     }
 
     /**
      * Updates an existing group.
      *
-     * @param data session data
+     * @param data    session data
      * @param dbgroup the group, as it appears within the DB
-     * @param group the group to be added
+     * @param group   the group to be added
      * @return the validation result
      * @throws PfModelException if an error occurred
      */
@@ -216,13 +211,12 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     }
 
     /**
-     * Updates a field, if the new value is different than the old value.
+     * Updates a field, if the new value is different from the old value.
      *
      * @param oldValue old value
      * @param newValue new value
-     * @param setter function to set the field to the new value
-     * @return {@code true} if the field was updated, {@code false} if it already matched
-     *         the new value
+     * @param setter   function to set the field to the new value
+     * @return {@code true} if the field was updated, {@code false} if it already matched the new value
      */
     private <T> boolean updateField(T oldValue, T newValue, Consumer<T> setter) {
         if (oldValue == newValue) {
@@ -240,15 +234,15 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Adds or updates subgroups within the group.
      *
-     * @param data session data
+     * @param data    session data
      * @param dbgroup the group, as it appears within the DB
-     * @param group the group to be added
-     * @param result the validation result
+     * @param group   the group to be added
+     * @param result  the validation result
      * @return {@code true} if the DB group was modified, {@code false} otherwise
      * @throws PfModelException if an error occurred
      */
     private boolean addOrUpdateSubGroups(SessionData data, PdpGroup dbgroup, PdpGroup group,
-        BeanValidationResult result) throws PfModelException {
+                                         BeanValidationResult result) throws PfModelException {
 
         // create a map of existing subgroups
         Map<String, PdpSubGroup> type2sub = new HashMap<>();
@@ -278,9 +272,9 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Notifies any PDPs whose subgroups are being removed.
      *
-     * @param data session data
+     * @param data    session data
      * @param dbgroup the group, as it appears within the DB
-     * @param group the group being updated
+     * @param group   the group being updated
      * @return {@code true} if a subgroup was removed, {@code false} otherwise
      * @throws PfModelException if an error occurred
      */
@@ -308,7 +302,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Notifies the PDPs that their subgroup is being removed.
      *
-     * @param data session data
+     * @param data   session data
      * @param subgrp subgroup that is being removed
      */
     private void notifyPdpsDelSubGroup(SessionData data, PdpSubGroup subgrp) {
@@ -333,9 +327,9 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Tracks PDP responses when their subgroup is removed.
      *
-     * @param data session data
+     * @param data     session data
      * @param pdpGroup PdpGroup name
-     * @param subgrp subgroup that is being removed
+     * @param subgrp   subgroup that is being removed
      * @throws PfModelException if an error occurred
      */
     private void trackPdpsDelSubGroup(SessionData data, String pdpGroup, PdpSubGroup subgrp) throws PfModelException {
@@ -349,9 +343,9 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Adds a new subgroup.
      *
-     * @param data session data
+     * @param data   session data
      * @param subgrp the subgroup to be added, updated to fully qualified versions upon
-     *        return
+     *               return
      * @return the validation result
      * @throws PfModelException if an error occurred
      */
@@ -368,12 +362,11 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Updates an existing subgroup.
      *
-     * @param dbsub the subgroup, from the DB
-     * @param subgrp the subgroup to be updated, updated to fully qualified versions upon
-     *        return
+     * @param dbsub     the subgroup, from the DB
+     * @param subgrp    the subgroup to be updated, updated to fully qualified versions upon
+     *                  return
      * @param container container for additional validation results
-     * @return {@code true} if the subgroup content was changed, {@code false} if there
-     *         were no changes
+     * @return {@code true} if the subgroup content was changed, {@code false} if there were no changes
      */
     private boolean updateSubGroup(PdpSubGroup dbsub, PdpSubGroup subgrp, BeanValidationResult container) {
 
@@ -399,9 +392,9 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Performs additional validations of a subgroup.
      *
-     * @param dbsub the subgroup, from the DB
-     * @param subgrp the subgroup to be validated, updated to fully qualified versions
-     *        upon return
+     * @param dbsub     the subgroup, from the DB
+     * @param subgrp    the subgroup to be validated, updated to fully qualified versions
+     *                  upon return
      * @param container container for additional validation results
      * @return {@code true} if the subgroup is valid, {@code false} otherwise
      */
@@ -421,7 +414,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
     /**
      * Performs validations of the supported policy types within a subgroup.
      *
-     * @param data session data
+     * @param data   session data
      * @param subgrp the subgroup to be validated
      * @return the validation result
      * @throws PfModelException if an error occurred
@@ -439,7 +432,7 @@ public class PdpGroupCreateOrUpdateProvider extends ProviderBase {
 
     @Override
     protected Updater makeUpdater(SessionData data, ToscaPolicy policy,
-            ToscaConceptIdentifierOptVersion desiredPolicy) {
+                                  ToscaConceptIdentifierOptVersion desiredPolicy) {
         throw new UnsupportedOperationException("makeUpdater should not be invoked");
     }
 }
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java
index 1a04e061..56126b90 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeleteProvider.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2020-2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,11 +22,11 @@
 
 package org.onap.policy.pap.main.rest;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.util.Iterator;
 import java.util.Set;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response.Status;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pdp.concepts.Pdp;
 import org.onap.policy.models.pdp.concepts.PdpGroup;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java
index 7a3e3395..fa52650f 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupDeployProvider.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2022 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2020-2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2021, 2023 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,6 +23,7 @@
 package org.onap.policy.pap.main.rest;
 
 import com.google.gson.annotations.SerializedName;
+import jakarta.ws.rs.core.Response.Status;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -31,7 +32,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response.Status;
 import lombok.Getter;
 import org.onap.policy.common.parameters.BeanValidationResult;
 import org.onap.policy.common.parameters.BeanValidator;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
index b1f7f665..648b56f1 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2021 Nordix Foundation.
+ *  Copyright (C) 2019-2021, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019-2021 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,8 +22,8 @@
 
 package org.onap.policy.pap.main.rest;
 
+import jakarta.ws.rs.core.Response;
 import java.util.List;
-import javax.ws.rs.core.Response;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java
index 4da802df..02d27605 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PolicyComponentsHealthCheckProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2020, 2022 Nordix Foundation.
+ *  Copyright (C) 2019-2020, 2022-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  *  Modifications Copyright (C) 2020-2022 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,6 +22,10 @@
 
 package org.onap.policy.pap.main.rest;
 
+import jakarta.annotation.PostConstruct;
+import jakarta.annotation.PreDestroy;
+import jakarta.ws.rs.core.Response;
+import jakarta.ws.rs.core.Response.Status;
 import java.net.HttpURLConnection;
 import java.util.AbstractMap;
 import java.util.ArrayList;
@@ -36,10 +40,6 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
-import javax.annotation.PostConstruct;
-import javax.annotation.PreDestroy;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.common.endpoints.http.client.HttpClient;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java b/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java
index 9857883c..26234297 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/ProviderBase.java
@@ -3,8 +3,8 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020-2022 Nordix Foundation.
- * Modifications Copyright (C) 2020,2022 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2020-2023 Nordix Foundation.
+ * Modifications Copyright (C) 2020, 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,8 +22,8 @@
 
 package org.onap.policy.pap.main.rest;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.util.Collection;
-import javax.ws.rs.core.Response.Status;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/SessionData.java b/main/src/main/java/org/onap/policy/pap/main/rest/SessionData.java
index 4cea257f..81afda37 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/SessionData.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/SessionData.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021-2022 Nordix Foundation.
+ * Modifications Copyright (C) 2021-2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -31,7 +31,6 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.stream.Collectors;
 import lombok.Getter;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.models.base.PfModelException;
@@ -123,14 +122,14 @@ public class SessionData {
     /**
      * Constructs the object.
      *
-     * @param user user triggering the request
-     * @param policyAuditService the policyAuditService
+     * @param user                user triggering the request
+     * @param policyAuditService  the policyAuditService
      * @param policyStatusService the policyStatusService
-     * @param pdpGroupService the pdpGroupService
-     * @param toscaService the toscaService
+     * @param pdpGroupService     the pdpGroupService
+     * @param toscaService        the toscaService
      */
     public SessionData(String user, ToscaServiceTemplateService toscaService, PdpGroupService pdpGroupService,
-        PolicyStatusService policyStatusService, PolicyAuditService policyAuditService) {
+                       PolicyStatusService policyStatusService, PolicyAuditService policyAuditService) {
         this.toscaService = toscaService;
         this.pdpGroupService = pdpGroupService;
         this.deployStatus = makeDeploymentStatus(policyStatusService);
@@ -197,11 +196,11 @@ public class SessionData {
     /**
      * Sets the "version" in a policy filter.
      *
-     * @param filterBuilder filter builder whose version should be set
+     * @param filterBuilder  filter builder whose version should be set
      * @param desiredVersion desired version
      */
     private void setPolicyFilterVersion(ToscaTypedEntityFilterBuilder<ToscaPolicy> filterBuilder,
-            String desiredVersion) {
+                                        String desiredVersion) {
 
         if (desiredVersion == null) {
             // no version specified - get the latest
@@ -239,7 +238,7 @@ public class SessionData {
         }
 
         logger.info("add update and state-change {} {} {} policies={}", update.getName(), update.getPdpGroup(),
-                update.getPdpSubgroup(), update.getPoliciesToBeDeployed().size());
+            update.getPdpSubgroup(), update.getPoliciesToBeDeployed().size());
         pdpRequests.put(update.getName(), Pair.of(update, change));
     }
 
@@ -250,7 +249,7 @@ public class SessionData {
      */
     public void addUpdate(PdpUpdate update) {
         logger.info("add update {} {} {} policies={}", update.getName(), update.getPdpGroup(), update.getPdpSubgroup(),
-                update.getPoliciesToBeDeployed().size());
+            update.getPoliciesToBeDeployed().size());
         pdpRequests.compute(update.getName(), (name, data) -> Pair.of(update, (data == null ? null : data.getRight())));
     }
 
@@ -288,8 +287,8 @@ public class SessionData {
      * @return the PDP requests
      */
     public List<PdpUpdate> getPdpUpdates() {
-        return pdpRequests.values().stream().filter(req -> req.getLeft() != null).map(Pair::getLeft)
-                .collect(Collectors.toList());
+        return pdpRequests.values().stream().filter(req -> req.getLeft() != null)
+            .map(Pair::getLeft).toList();
     }
 
     /**
@@ -298,8 +297,8 @@ public class SessionData {
      * @return the PDP requests
      */
     public List<PdpStateChange> getPdpStateChanges() {
-        return pdpRequests.values().stream().filter(req -> req.getRight() != null).map(Pair::getRight)
-                .collect(Collectors.toList());
+        return pdpRequests.values().stream().filter(req -> req.getRight() != null)
+            .map(Pair::getRight).toList();
     }
 
     /**
@@ -377,15 +376,15 @@ public class SessionData {
         List<GroupData> data = type2groups.get(type); // NOSONAR
         if (data == null) {
             PdpGroupFilter filter = PdpGroupFilter.builder().policyTypeList(Collections.singletonList(type))
-                    .groupState(PdpState.ACTIVE).build();
+                .groupState(PdpState.ACTIVE).build();
 
             List<PdpGroup> groups = pdpGroupService.getFilteredPdpGroups(filter);
 
-            data = groups.stream().map(this::addGroup).collect(Collectors.toList());
+            data = groups.stream().map(this::addGroup).toList();
             type2groups.put(type, data);
         }
 
-        return data.stream().map(GroupData::getGroup).collect(Collectors.toList());
+        return data.stream().map(GroupData::getGroup).toList();
     }
 
     /**
@@ -433,22 +432,22 @@ public class SessionData {
      */
     public void updateDb(PolicyNotification notification) {
         // create new groups
-        List<GroupData> created = groupCache.values().stream().filter(GroupData::isNew).collect(Collectors.toList());
+        List<GroupData> created = groupCache.values().stream().filter(GroupData::isNew).toList();
         if (!created.isEmpty()) {
             if (logger.isInfoEnabled()) {
                 created.forEach(group -> logger.info("creating DB group {}", group.getGroup().getName()));
             }
-            pdpGroupService.createPdpGroups(created.stream().map(GroupData::getGroup).collect(Collectors.toList()));
+            pdpGroupService.createPdpGroups(created.stream().map(GroupData::getGroup).toList());
         }
 
         // update existing groups
         List<GroupData> updated =
-                groupCache.values().stream().filter(GroupData::isUpdated).collect(Collectors.toList());
+            groupCache.values().stream().filter(GroupData::isUpdated).toList();
         if (!updated.isEmpty()) {
             if (logger.isInfoEnabled()) {
                 updated.forEach(group -> logger.info("updating DB group {}", group.getGroup().getName()));
             }
-            pdpGroupService.updatePdpGroups(updated.stream().map(GroupData::getGroup).collect(Collectors.toList()));
+            pdpGroupService.updatePdpGroups(updated.stream().map(GroupData::getGroup).toList());
         }
 
         // send audits records to DB
@@ -471,14 +470,14 @@ public class SessionData {
     /**
      * Adds policy deployment data.
      *
-     * @param policy policy being deployed
-     * @param pdps PDPs to which the policy is being deployed
+     * @param policy   policy being deployed
+     * @param pdps     PDPs to which the policy is being deployed
      * @param pdpGroup PdpGroup containing the PDP of interest
-     * @param pdpType PDP type (i.e., PdpSubGroup) containing the PDP of interest
+     * @param pdpType  PDP type (i.e., PdpSubGroup) containing the PDP of interest
      * @throws PfModelException if an error occurred
      */
     protected void trackDeploy(ToscaPolicy policy, Collection<String> pdps, String pdpGroup, String pdpType)
-            throws PfModelException {
+        throws PfModelException {
         ToscaConceptIdentifier policyId = policy.getIdentifier();
         policiesToBeDeployed.put(policyId, policy);
 
@@ -490,13 +489,13 @@ public class SessionData {
      * Adds policy undeployment data.
      *
      * @param policyId ID of the policy being undeployed
-     * @param pdps PDPs to which the policy is being undeployed
+     * @param pdps     PDPs to which the policy is being undeployed
      * @param pdpGroup PdpGroup containing the PDP of interest
-     * @param pdpType PDP type (i.e., PdpSubGroup) containing the PDP of interest
+     * @param pdpType  PDP type (i.e., PdpSubGroup) containing the PDP of interest
      * @throws PfModelException if an error occurred
      */
     protected void trackUndeploy(ToscaConceptIdentifier policyId, Collection<String> pdps, String pdpGroup,
-            String pdpType) throws PfModelException {
+                                 String pdpType) throws PfModelException {
         policiesToBeUndeployed.add(policyId);
 
         addData(policyId, pdps, pdpGroup, pdpType, false);
@@ -507,14 +506,14 @@ public class SessionData {
      * Adds policy deployment/undeployment data.
      *
      * @param policyId ID of the policy being deployed/undeployed
-     * @param pdps PDPs to which the policy is being deployed/undeployed
-     * @param deploy {@code true} if the policy is being deployed, {@code false} if undeployed
+     * @param pdps     PDPs to which the policy is being deployed/undeployed
+     * @param deploy   {@code true} if the policy is being deployed, {@code false} if undeployed
      * @param pdpGroup PdpGroup containing the PDP of interest
-     * @param pdpType PDP type (i.e., PdpSubGroup) containing the PDP of interest
+     * @param pdpType  PDP type (i.e., PdpSubGroup) containing the PDP of interest
      * @throws PfModelException if an error occurred
      */
     private void addData(ToscaConceptIdentifier policyId, Collection<String> pdps, String pdpGroup, String pdpType,
-            boolean deploy) throws PfModelException {
+                         boolean deploy) throws PfModelException {
 
         // delete all records whose "deploy" flag is the opposite of what we want
         deployStatus.deleteDeployment(policyId, !deploy);
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupCreateOrUpdateControllerV1Stub.java b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupCreateOrUpdateControllerV1Stub.java
index 81ab6366..1944955e 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupCreateOrUpdateControllerV1Stub.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupCreateOrUpdateControllerV1Stub.java
@@ -20,8 +20,8 @@
 
 package org.onap.policy.pap.main.rest.stub;
 
+import jakarta.validation.Valid;
 import java.util.UUID;
-import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.pap.concepts.PdpGroupUpdateResponse;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupDeployControllerV1Stub.java b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupDeployControllerV1Stub.java
index f9ed98e4..0a790cc9 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupDeployControllerV1Stub.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupDeployControllerV1Stub.java
@@ -20,8 +20,8 @@
 
 package org.onap.policy.pap.main.rest.stub;
 
+import jakarta.validation.Valid;
 import java.util.UUID;
-import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.pap.concepts.PdpDeployPolicies;
 import org.onap.policy.models.pap.concepts.PdpGroupDeployResponse;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupStateChangeControllerV1Stub.java b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupStateChangeControllerV1Stub.java
index dc4f236f..fcc2885a 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupStateChangeControllerV1Stub.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PdpGroupStateChangeControllerV1Stub.java
@@ -20,9 +20,9 @@
 
 package org.onap.policy.pap.main.rest.stub;
 
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotNull;
 import java.util.UUID;
-import javax.validation.Valid;
-import javax.validation.constraints.NotNull;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
 import org.onap.policy.models.pdp.enums.PdpState;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyAuditControllerV1Stub.java b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyAuditControllerV1Stub.java
index b9f2c4e8..7710a370 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyAuditControllerV1Stub.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyAuditControllerV1Stub.java
@@ -20,11 +20,11 @@
 
 package org.onap.policy.pap.main.rest.stub;
 
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.Max;
+import jakarta.validation.constraints.Min;
 import java.util.List;
 import java.util.UUID;
-import javax.validation.Valid;
-import javax.validation.constraints.Max;
-import javax.validation.constraints.Min;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.pap.concepts.PolicyAudit;
 import org.onap.policy.pap.main.rest.PapRestControllerV1;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyStatusControllerV1Stub.java b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyStatusControllerV1Stub.java
index 323320ab..c3175399 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyStatusControllerV1Stub.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/stub/PolicyStatusControllerV1Stub.java
@@ -20,8 +20,8 @@
 
 package org.onap.policy.pap.main.rest.stub;
 
+import jakarta.validation.Valid;
 import java.util.UUID;
-import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.pap.main.rest.PapRestControllerV1;
 import org.onap.policy.pap.main.rest.PolicyStatusControllerV1Api;
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/stub/StubUtils.java b/main/src/main/java/org/onap/policy/pap/main/rest/stub/StubUtils.java
index 8eb4aba3..04e05793 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/stub/StubUtils.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/stub/StubUtils.java
@@ -22,13 +22,12 @@
 package org.onap.policy.pap.main.rest.stub;
 
 import com.google.gson.Gson;
+import jakarta.servlet.http.HttpServletRequest;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import javax.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.pap.main.rest.PapRestControllerV1;
 import org.slf4j.Logger;
@@ -75,7 +74,7 @@ class StubUtils {
             final var resource = new ClassPathResource(PAP_DB);
             try (var inputStream = resource.getInputStream()) {
                 final var string = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
-                var targetObject = Arrays.asList(JSON_TRANSLATOR.fromJson(string, clazz));
+                var targetObject = List.of(JSON_TRANSLATOR.fromJson(string, clazz));
                 return new ResponseEntity<>(targetObject, HttpStatus.OK);
             } catch (IOException e) {
                 log.error(SERIALIZE_RESPONSE_FAILURE_MSG, e);
diff --git a/main/src/main/java/org/onap/policy/pap/main/service/PdpGroupService.java b/main/src/main/java/org/onap/policy/pap/main/service/PdpGroupService.java
index 5f0520ff..09c9640f 100644
--- a/main/src/main/java/org/onap/policy/pap/main/service/PdpGroupService.java
+++ b/main/src/main/java/org/onap/policy/pap/main/service/PdpGroupService.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,9 +21,9 @@
 
 package org.onap.policy.pap.main.service;
 
+import jakarta.ws.rs.core.Response;
 import java.util.ArrayList;
 import java.util.List;
-import javax.ws.rs.core.Response;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.common.parameters.BeanValidationResult;
@@ -151,11 +152,12 @@ public class PdpGroupService {
      * @param pdpGroup the name of the pdpGroup to delete
      */
     public void deletePdpGroup(String pdpGroup) {
-        try {
-            pdpGroupRepository.deleteById(new PfConceptKey(pdpGroup, "0.0.0"));
-        } catch (Exception exc) {
+        PfConceptKey groupKey = new PfConceptKey(pdpGroup, "0.0.0");
+        if (pdpGroupRepository.existsById(groupKey)) {
+            pdpGroupRepository.deleteById(groupKey);
+        } else {
             String errorMessage = "delete of PDP group \"" + pdpGroup + "\" failed, PDP group does not exist";
-            throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage, exc);
+            throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
         }
     }
 
diff --git a/main/src/main/java/org/onap/policy/pap/main/service/PolicyAuditService.java b/main/src/main/java/org/onap/policy/pap/main/service/PolicyAuditService.java
index f582135d..bd9f6bc6 100644
--- a/main/src/main/java/org/onap/policy/pap/main/service/PolicyAuditService.java
+++ b/main/src/main/java/org/onap/policy/pap/main/service/PolicyAuditService.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,11 +21,11 @@
 
 package org.onap.policy.pap.main.service;
 
+import jakarta.ws.rs.core.Response;
 import java.time.Instant;
 import java.util.Date;
 import java.util.List;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.common.parameters.BeanValidationResult;
diff --git a/main/src/main/java/org/onap/policy/pap/main/service/PolicyStatusService.java b/main/src/main/java/org/onap/policy/pap/main/service/PolicyStatusService.java
index 09870314..ac7830d2 100644
--- a/main/src/main/java/org/onap/policy/pap/main/service/PolicyStatusService.java
+++ b/main/src/main/java/org/onap/policy/pap/main/service/PolicyStatusService.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,11 +21,11 @@
 
 package org.onap.policy.pap.main.service;
 
+import jakarta.ws.rs.core.Response;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.common.parameters.BeanValidationResult;
diff --git a/main/src/main/java/org/onap/policy/pap/main/service/ToscaNodeTemplateService.java b/main/src/main/java/org/onap/policy/pap/main/service/ToscaNodeTemplateService.java
index 9b097ccb..091db0cc 100644
--- a/main/src/main/java/org/onap/policy/pap/main/service/ToscaNodeTemplateService.java
+++ b/main/src/main/java/org/onap/policy/pap/main/service/ToscaNodeTemplateService.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP PAP
  * ================================================================================
- * Copyright (C) 2022, Nordix Foundation. All rights reserved.
+ * Copyright (C) 2022-2023 Nordix Foundation. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,8 +20,8 @@
 
 package org.onap.policy.pap.main.service;
 
+import jakarta.ws.rs.core.Response;
 import java.util.Optional;
-import javax.ws.rs.core.Response;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfConceptKey;
 import org.onap.policy.models.base.PfModelRuntimeException;
diff --git a/main/src/main/java/org/onap/policy/pap/main/service/ToscaServiceTemplateService.java b/main/src/main/java/org/onap/policy/pap/main/service/ToscaServiceTemplateService.java
index 77c01783..222f240c 100644
--- a/main/src/main/java/org/onap/policy/pap/main/service/ToscaServiceTemplateService.java
+++ b/main/src/main/java/org/onap/policy/pap/main/service/ToscaServiceTemplateService.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,13 +21,13 @@
 
 package org.onap.policy.pap.main.service;
 
+import jakarta.ws.rs.core.Response;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response;
 import lombok.RequiredArgsConstructor;
 import org.onap.policy.models.base.PfConceptKey;
 import org.onap.policy.models.base.PfModelException;
diff --git a/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java b/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java
index b2a42d9c..790d9517 100644
--- a/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java
+++ b/main/src/main/java/org/onap/policy/pap/main/startstop/PapDatabaseInitializer.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,8 +22,8 @@
 
 package org.onap.policy.pap.main.startstop;
 
+import jakarta.annotation.PostConstruct;
 import java.util.List;
-import javax.annotation.PostConstruct;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
diff --git a/main/src/main/resources/application.yaml b/main/src/main/resources/application.yaml
index 4a7083a0..affbf505 100644
--- a/main/src/main/resources/application.yaml
+++ b/main/src/main/resources/application.yaml
@@ -90,5 +90,4 @@ management:
       base-path: /
       exposure:
         include: health, metrics, prometheus
-      path-mapping.metrics: plain-metrics
       path-mapping.prometheus: metrics
diff --git a/main/src/test/java/org/onap/policy/pap/contract/PapContractTest.java b/main/src/test/java/org/onap/policy/pap/contract/PapContractTest.java
index 7b9698bb..0b663beb 100644
--- a/main/src/test/java/org/onap/policy/pap/contract/PapContractTest.java
+++ b/main/src/test/java/org/onap/policy/pap/contract/PapContractTest.java
@@ -19,28 +19,28 @@
 
 package org.onap.policy.pap.contract;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
 import org.onap.policy.pap.main.rest.CommonPapRestServer;
 import org.springframework.test.context.ActiveProfiles;
 
-@ActiveProfiles({ "test", "stub" })
-public class PapContractTest extends CommonPapRestServer {
+@ActiveProfiles({"test", "stub"})
+class PapContractTest extends CommonPapRestServer {
 
     @Test
-    public void testStubsHealthcheck() throws Exception {
+    void testStubsHealthcheck() throws Exception {
         checkStubJsonGet("healthcheck");
         checkStubJsonGet("pdps/healthcheck");
         checkStubJsonGet("components/healthcheck");
     }
 
     @Test
-    public void testStubsPolicies() throws Exception {
+    void testStubsPolicies() throws Exception {
         checkStubJsonGet("policies/audit");
         checkStubJsonGet("policies/audit/group");
         checkStubJsonGet("policies/audit/group/name/version");
@@ -55,7 +55,7 @@ public class PapContractTest extends CommonPapRestServer {
     }
 
     @Test
-    public void testStubsPdps() throws Exception {
+    void testStubsPdps() throws Exception {
         checkStubJsonGet("pdps");
 
         checkStubJsonPost("pdps/groups/batch");
@@ -79,8 +79,8 @@ public class PapContractTest extends CommonPapRestServer {
         var response = super.sendRequest(url);
         PdpGroups groups = new PdpGroups();
         assertEquals(Response.Status.OK.getStatusCode(), response
-                .post(Entity.entity(groups, MediaType.APPLICATION_JSON))
-                .getStatus());
+            .post(Entity.entity(groups, MediaType.APPLICATION_JSON))
+            .getStatus());
     }
 
     private void checkStubJsonPut(String url) throws Exception {
diff --git a/main/src/test/java/org/onap/policy/pap/main/PapConstantsTest.java b/main/src/test/java/org/onap/policy/pap/main/PapConstantsTest.java
index 6d5d303a..747bc75b 100644
--- a/main/src/test/java/org/onap/policy/pap/main/PapConstantsTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/PapConstantsTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020 Nordix Foundation.
+ * Modifications Copyright (C) 2020, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,12 +23,12 @@ package org.onap.policy.pap.main;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-public class PapConstantsTest {
+class PapConstantsTest {
 
     @Test
-    public void test() {
+    void test() {
         assertThat(PapConstants.PAP_NAME).startsWith("pap").isNotEqualTo("pap");
     }
 }
diff --git a/main/src/test/java/org/onap/policy/pap/main/TestExceptions.java b/main/src/test/java/org/onap/policy/pap/main/TestExceptions.java
index 608e7ad8..c85531c7 100644
--- a/main/src/test/java/org/onap/policy/pap/main/TestExceptions.java
+++ b/main/src/test/java/org/onap/policy/pap/main/TestExceptions.java
@@ -1,6 +1,6 @@
 /*--
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019-2020 AT&T Intellectual Property.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,7 +21,7 @@
 
 package org.onap.policy.pap.main;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.test.ExceptionsTester;
 
 /**
@@ -29,10 +29,10 @@ import org.onap.policy.common.utils.test.ExceptionsTester;
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-public class TestExceptions {
+class TestExceptions {
 
     @Test
-    public void test() {
+    void test() {
         new ExceptionsTester().test(PolicyPapException.class);
         new ExceptionsTester().test(PolicyPapRuntimeException.class);
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/CommonRequestBase.java b/main/src/test/java/org/onap/policy/pap/main/comm/CommonRequestBase.java
index 7fe1360f..81e0d5bc 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/CommonRequestBase.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/CommonRequestBase.java
@@ -33,8 +33,8 @@ import java.util.Collections;
 import java.util.LinkedList;
 import java.util.Queue;
 import java.util.function.Consumer;
-import org.junit.Before;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
 import org.mockito.ArgumentCaptor;
 import org.mockito.stubbing.Answer;
 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
@@ -89,7 +89,7 @@ public class CommonRequestBase {
     protected RequestParams reqParams;
     protected PdpModifyRequestMapParams mapParams;
 
-    @BeforeClass
+    @BeforeAll
     public static void setupBeforeAll() {
         Registry.registerOrReplace(PapConstants.REG_METER_REGISTRY, new SimpleMeterRegistry());
     }
@@ -99,7 +99,7 @@ public class CommonRequestBase {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     @SuppressWarnings("unchecked")
     public void setUp() throws Exception {
         publisher = mock(Publisher.class);
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/MultiPdpStatusListenerTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/MultiPdpStatusListenerTest.java
index 4f276a90..beb0697e 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/MultiPdpStatusListenerTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/MultiPdpStatusListenerTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,21 +21,21 @@
 
 package org.onap.policy.pap.main.comm;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
 import org.onap.policy.models.pdp.concepts.PdpResponseDetails;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
 
-public class MultiPdpStatusListenerTest {
+class MultiPdpStatusListenerTest {
     private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
     private static final String TOPIC = "my-topic";
     private static final String ID1 = "request-1";
@@ -46,16 +46,16 @@ public class MultiPdpStatusListenerTest {
     private PdpStatus status;
 
     @Test
-    public void testMultiPdpStatusListenerString() throws Exception {
+    void testMultiPdpStatusListenerString() throws Exception {
         listener = new MyListener(ID1);
-        assertEquals(Arrays.asList(ID1).toString(), listener.getUnseenIds().toString());
+        assertEquals(List.of(ID1).toString(), listener.getUnseenIds().toString());
 
         // an ID is in the queue - not done yet
         assertFalse(doWait(0));
     }
 
     @Test
-    public void testMultiPdpStatusListenerCollectionOfString() throws Exception {
+    void testMultiPdpStatusListenerCollectionOfString() throws Exception {
         List<String> lst = ID_LIST;
 
         listener = new MyListener(lst);
@@ -73,7 +73,7 @@ public class MultiPdpStatusListenerTest {
     }
 
     @Test
-    public void testGetUnseenIds() {
+    void testGetUnseenIds() {
         List<String> lst = ID_LIST;
 
         listener = new MyListener(lst);
@@ -83,7 +83,7 @@ public class MultiPdpStatusListenerTest {
         status = new PdpStatus();
         status.setResponse(makeResponse(ID2));
         listener.onTopicEvent(INFRA, TOPIC, status);
-        assertEquals(Arrays.asList(ID1).toString(), listener.getUnseenIds().toString());
+        assertEquals(List.of(ID1).toString(), listener.getUnseenIds().toString());
 
         // receive message from the other PDP
         status = new PdpStatus();
@@ -93,7 +93,7 @@ public class MultiPdpStatusListenerTest {
     }
 
     @Test
-    public void testAwait() throws Exception {
+    void testAwait() throws Exception {
         // try with an empty list - should already be complete
         listener = new MyListener(new LinkedList<>());
         assertTrue(doWait(0));
@@ -120,7 +120,7 @@ public class MultiPdpStatusListenerTest {
     }
 
     @Test
-    public void testOnTopicEvent() throws Exception {
+    void testOnTopicEvent() throws Exception {
         listener = new MyListener(ID_LIST);
 
         // not done yet
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java
index 20e34f62..5f2df5be 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PdpHeartbeatListenerTest.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2021 Nordix Foundation.
+ *  Copyright (C) 2019-2021, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2020-2021 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021-2023 Bell Canada. All rights reserved.
  * ================================================================================
@@ -23,18 +23,15 @@
 package org.onap.policy.pap.main.comm;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertSame;
 
-import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pdp.concepts.PdpGroup;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
 import org.onap.policy.models.pdp.concepts.PdpSubGroup;
@@ -64,13 +61,11 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
     private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
     private static final String TOPIC = "my-topic";
 
-    private Instant timeStamp;
-
     @Autowired
     private PdpHeartbeatListener pdpHeartbeatListener;
 
     @Test
-    public void testPdpHeartbeatListener() throws CoderException, PfModelException {
+    public void testPdpHeartbeatListener() {
         addGroups("PdpGroups.json");
         PapParameterGroup parameterGroup = new PapParameterGroup();
         parameterGroup.setPdpParameters(new PdpParameters());
@@ -82,11 +77,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status1.setPdpGroup(DEFAULT_GROUP);
         status1.setPdpType(APEX_TYPE);
         status1.setHealthy(PdpHealthStatus.HEALTHY);
-        final List<ToscaConceptIdentifier> idents1 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents1 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status1.setPolicies(idents1);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status1);
-        verifyPdpGroup(DEFAULT_GROUP, 1);
+        verifyPdpGroup(1);
 
         // Testing pdp heartbeat success case
         final PdpStatus status2 = new PdpStatus();
@@ -96,11 +90,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status2.setPdpType(APEX_TYPE);
         status2.setHealthy(PdpHealthStatus.HEALTHY);
         status2.setPdpSubgroup(APEX_TYPE);
-        final List<ToscaConceptIdentifier> idents2 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents2 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status2.setPolicies(idents2);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status2);
-        verifyPdpGroup(DEFAULT_GROUP, 1);
+        verifyPdpGroup(1);
 
         // Testing pdp heartbeat failure case with pdp missing
         final PdpStatus status3 = new PdpStatus();
@@ -110,11 +103,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status3.setPdpType(APEX_TYPE);
         status3.setHealthy(PdpHealthStatus.HEALTHY);
         status3.setPdpSubgroup(APEX_TYPE);
-        final List<ToscaConceptIdentifier> idents3 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents3 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status3.setPolicies(idents3);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status3);
-        verifyPdpGroup(DEFAULT_GROUP, 2);
+        verifyPdpGroup(2);
 
         // Testing pdp registration failure case
         final PdpStatus status4 = new PdpStatus();
@@ -123,11 +115,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status4.setPdpGroup("wrongGroup");
         status4.setPdpType(APEX_TYPE);
         status4.setHealthy(PdpHealthStatus.HEALTHY);
-        final List<ToscaConceptIdentifier> idents4 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents4 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status4.setPolicies(idents4);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status4);
-        verifyPdpGroup(DEFAULT_GROUP, 2);
+        verifyPdpGroup(2);
 
         // Testing pdp heartbeat failure case with pdp state mismatch
         final PdpStatus status5 = new PdpStatus();
@@ -137,11 +128,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status5.setPdpType(APEX_TYPE);
         status5.setHealthy(PdpHealthStatus.HEALTHY);
         status5.setPdpSubgroup(APEX_TYPE);
-        final List<ToscaConceptIdentifier> idents5 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents5 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status5.setPolicies(idents5);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status5);
-        verifyPdpGroup(DEFAULT_GROUP, 2);
+        verifyPdpGroup(2);
 
         // Testing pdp heartbeat failure case with pdp policies mismatch
         final PdpStatus status6 = new PdpStatus();
@@ -156,7 +146,7 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
                         new ToscaConceptIdentifier("onap.restart.tca", POLICY_VERSION));
         status6.setPolicies(idents6);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status6);
-        verifyPdpGroup(DEFAULT_GROUP, 2);
+        verifyPdpGroup(2);
 
         // Testing pdp heartbeat failure case with pdp no policies
         final PdpStatus status7 = new PdpStatus();
@@ -167,7 +157,7 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status7.setHealthy(PdpHealthStatus.HEALTHY);
         status7.setPdpSubgroup(APEX_TYPE);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status7);
-        verifyPdpGroup(DEFAULT_GROUP, 2);
+        verifyPdpGroup(2);
 
         // Testing old message for pdp_1 - should have no effect
         final PdpStatus status7b = new PdpStatus();
@@ -178,11 +168,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status7b.setPdpType(APEX_TYPE);
         status7b.setPdpSubgroup(APEX_TYPE);
         status7b.setHealthy(PdpHealthStatus.HEALTHY);
-        final List<ToscaConceptIdentifier> idents7b =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents7b = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status7b.setPolicies(idents7b);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status7b);
-        verifyPdpGroup(DEFAULT_GROUP, 2);
+        verifyPdpGroup(2);
 
         // Testing pdp termination case for pdp_1
         final PdpStatus status8 = new PdpStatus();
@@ -192,11 +181,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status8.setPdpType(APEX_TYPE);
         status8.setPdpSubgroup(APEX_TYPE);
         status8.setHealthy(PdpHealthStatus.HEALTHY);
-        final List<ToscaConceptIdentifier> idents8 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents8 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status8.setPolicies(idents8);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status8);
-        verifyPdpGroup(DEFAULT_GROUP, 1);
+        verifyPdpGroup(1);
 
         // Testing pdp termination case for pdp_2
         final PdpStatus status9 = new PdpStatus();
@@ -206,11 +194,10 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         status9.setPdpType(APEX_TYPE);
         status9.setPdpSubgroup(APEX_TYPE);
         status9.setHealthy(PdpHealthStatus.HEALTHY);
-        final List<ToscaConceptIdentifier> idents9 =
-                Arrays.asList(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
+        final List<ToscaConceptIdentifier> idents9 = List.of(new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION));
         status9.setPolicies(idents9);
         pdpHeartbeatListener.onTopicEvent(INFRA, TOPIC, status9);
-        verifyPdpGroup(DEFAULT_GROUP, 0);
+        verifyPdpGroup(0);
 
         // Test policy lists updated in createUpdate
         ToscaPolicy polA = new ToscaPolicy();
@@ -233,8 +220,8 @@ public class PdpHeartbeatListenerTest extends End2EndBase {
         assertThat(update10.getPoliciesToBeDeployed()).isInstanceOf(List.class);
     }
   
-    private void verifyPdpGroup(final String name, final int count) throws PfModelException {
-        final List<PdpGroup> fetchedGroups = fetchGroups(name);
+    private void verifyPdpGroup(final int count) {
+        final List<PdpGroup> fetchedGroups = fetchGroups(PdpHeartbeatListenerTest.DEFAULT_GROUP);
         for (final PdpSubGroup subGroup : fetchedGroups.get(0).getPdpSubgroups()) {
             if (subGroup.getPdpType().equals(APEX_TYPE)) {
                 assertEquals(count, subGroup.getPdpInstances().size());
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PdpModifyRequestMapTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PdpModifyRequestMapTest.java
index 40284496..6fc9d8f0 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PdpModifyRequestMapTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PdpModifyRequestMapTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020-2021,2023 Nordix Foundation.
+ * Modifications Copyright (C) 2020-2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -25,11 +25,11 @@ package org.onap.policy.pap.main.comm;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
@@ -39,22 +39,25 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response.Status;
 import org.assertj.core.api.Assertions;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
@@ -76,7 +79,7 @@ import org.onap.policy.pap.main.service.PolicyStatusService;
 import org.springframework.test.util.ReflectionTestUtils;
 
 @RunWith(MockitoJUnitRunner.class)
-public class PdpModifyRequestMapTest extends CommonRequestBase {
+class PdpModifyRequestMapTest extends CommonRequestBase {
     private static final String MY_REASON = "my reason";
     private static final int EXPIRED_SECONDS = 100;
 
@@ -119,15 +122,18 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     private PdpStateChange change;
     private PdpStatus response;
 
+    AutoCloseable autoCloseable;
+
     /**
      * Sets up.
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     @Override
     public void setUp() throws Exception {
         super.setUp();
+        autoCloseable = MockitoAnnotations.openMocks(this);
 
         response = new PdpStatus();
 
@@ -146,14 +152,19 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         map = new MyMap(mapParams);
     }
 
+    @AfterEach
+    void tearDown() throws Exception {
+        autoCloseable.close();
+    }
+
     @Test
-    public void testPdpModifyRequestMap() {
+    void testPdpModifyRequestMap() {
         assertSame(mapParams, ReflectionTestUtils.getField(map, "params"));
         assertSame(lock, ReflectionTestUtils.getField(map, "modifyLock"));
     }
 
     @Test
-    public void testIsEmpty() {
+    void testIsEmpty() {
         assertTrue(map.isEmpty());
 
         map.addRequest(change);
@@ -167,7 +178,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testStopPublishing() {
+    void testStopPublishing() {
         // try with non-existent PDP
         map.stopPublishing(PDP1);
 
@@ -182,13 +193,13 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testAddRequestPdpUpdatePdpStateChange_BothNull() {
+    void testAddRequestPdpUpdatePdpStateChange_BothNull() {
         // nulls should be ok
         Assertions.assertThatCode(() -> map.addRequest(null, null)).doesNotThrowAnyException();
     }
 
     @Test
-    public void testAddRequestPdpUpdatePdpStateChange_NullUpdate() {
+    void testAddRequestPdpUpdatePdpStateChange_NullUpdate() {
         map.addRequest(null, change);
 
         Request req = getSingletons(1).get(0);
@@ -197,7 +208,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testAddRequestPdpUpdatePdpStateChange_NullStateChange() {
+    void testAddRequestPdpUpdatePdpStateChange_NullStateChange() {
         map.addRequest(update, null);
 
         Request req = getSingletons(1).get(0);
@@ -210,7 +221,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
      * message.
      */
     @Test
-    public void testAddRequestPdpUpdatePdpStateChange_BothProvided_Active() {
+    void testAddRequestPdpUpdatePdpStateChange_BothProvided_Active() {
         change.setState(PdpState.ACTIVE);
         map.addRequest(update, change);
 
@@ -235,7 +246,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
      * message.
      */
     @Test
-    public void testAddRequestPdpUpdatePdpStateChange_BothProvided_Passive() {
+    void testAddRequestPdpUpdatePdpStateChange_BothProvided_Passive() {
         change.setState(PdpState.PASSIVE);
         map.addRequest(update, change);
 
@@ -256,7 +267,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testAddRequestPdpUpdatePdpStateChange() {
+    void testAddRequestPdpUpdatePdpStateChange() {
         // null should be ok
         map.addRequest(null, null);
 
@@ -269,11 +280,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         // broadcast should throw an exception
         change.setName(null);
         assertThatIllegalArgumentException().isThrownBy(() -> map.addRequest(change))
-                        .withMessageStartingWith("unexpected broadcast message: PdpStateChange");
+            .withMessageStartingWith("unexpected broadcast message: PdpStateChange");
     }
 
     @Test
-    public void testAddRequestPdpUpdate() {
+    void testAddRequestPdpUpdate() {
         // null should be ok
         map.addRequest((PdpUpdate) null);
 
@@ -286,11 +297,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         // broadcast should throw an exception
         update.setName(null);
         assertThatIllegalArgumentException().isThrownBy(() -> map.addRequest(update))
-                        .withMessageStartingWith("unexpected broadcast message: PdpUpdate");
+            .withMessageStartingWith("unexpected broadcast message: PdpUpdate");
     }
 
     @Test
-    public void testAddRequestPdpStateChange() {
+    void testAddRequestPdpStateChange() {
         // null should be ok
         map.addRequest((PdpStateChange) null);
 
@@ -303,11 +314,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         // broadcast should throw an exception
         change.setName(null);
         assertThatIllegalArgumentException().isThrownBy(() -> map.addRequest(change))
-                        .withMessageStartingWith("unexpected broadcast message: PdpStateChange");
+            .withMessageStartingWith("unexpected broadcast message: PdpStateChange");
     }
 
     @Test
-    public void testAddSingleton() {
+    void testAddSingleton() {
         map.addRequest(change);
         assertEquals(1, map.nalloc);
 
@@ -333,7 +344,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testStartNextRequest_NoMore() {
+    void testStartNextRequest_NoMore() {
         map.addRequest(change);
 
         // indicate success
@@ -350,7 +361,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testStartNextRequest_HaveMore() {
+    void testStartNextRequest_HaveMore() {
         map.addRequest(update);
         map.addRequest(change);
 
@@ -375,7 +386,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRemoveExpiredPdps() throws Exception {
+    void testRemoveExpiredPdps() {
         PdpGroup group1 = makeGroup(MY_GROUP);
         group1.setPdpSubgroups(List.of(makeSubGroup(MY_SUBGROUP, PDP1)));
 
@@ -410,7 +421,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRemoveExpiredPdps_NothingExpired() throws Exception {
+    void testRemoveExpiredPdps_NothingExpired() {
         PdpGroup group1 = makeGroup(MY_GROUP);
         group1.setPdpSubgroups(List.of(makeSubGroup(MY_SUBGROUP, PDP1)));
 
@@ -424,21 +435,21 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRemoveExpiredPdps_DaoEx() throws Exception {
+    void testRemoveExpiredPdps_DaoEx() {
         when(pdpGroupService.getFilteredPdpGroups(any())).thenThrow(makeRuntimeException());
 
         assertThatCode(map::removeExpiredPdps).doesNotThrowAnyException();
     }
 
     @Test
-    public void testRemoveExpiredPdps_DaoRtEx() throws Exception {
+    void testRemoveExpiredPdps_DaoRtEx() {
         when(pdpGroupService.getFilteredPdpGroups(any())).thenThrow(makeRuntimeException());
 
         assertThatCode(map::removeExpiredPdps).doesNotThrowAnyException();
     }
 
     @Test
-    public void testRemoveFromSubgroup() throws Exception {
+    void testRemoveFromSubgroup() {
         PdpGroup group = makeGroup(MY_GROUP);
         group.setPdpSubgroups(List.of(makeSubGroup(MY_SUBGROUP, PDP1, PDP2, PDP3)));
 
@@ -473,7 +484,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testMakePdpRequests() {
+    void testMakePdpRequests() {
         // this should invoke the real method without throwing an exception
         PdpModifyRequestMap reqMap =
             new PdpModifyRequestMap(pdpGroupService, policyStatusService, responseHandler, undeployer, notifier);
@@ -489,11 +500,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testSingletonListenerFailure() throws Exception {
+    void testSingletonListenerFailure() throws Exception {
         map.addRequest(change);
 
         // invoke the method
-        invokeFailureHandler(1);
+        invokeFailureHandler();
 
         verify(undeployer, never()).undeploy(any(), any(), any());
         verify(requests, never()).stopPublishing();
@@ -507,14 +518,14 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
      * Tests Listener.failure() when something has to be undeployed.
      */
     @Test
-    public void testSingletonListenerFailureUndeploy() throws Exception {
+    void testSingletonListenerFailureUndeploy() throws Exception {
 
         ToscaConceptIdentifier ident = new ToscaConceptIdentifier("undeployed", "2.3.4");
         ToscaPolicy policy = mock(ToscaPolicy.class);
         when(policy.getIdentifier()).thenReturn(ident);
 
         // add some policies to the update
-        update.setPoliciesToBeDeployed(Arrays.asList(policy));
+        update.setPoliciesToBeDeployed(List.of(policy));
 
         map.addRequest(update);
 
@@ -527,7 +538,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         doAnswer(ans -> {
             PdpUpdate update2 = new PdpUpdate(update);
             update2.setPoliciesToBeDeployed(Collections.emptyList());
-            update2.setPoliciesToBeUndeployed(Arrays.asList(policy.getIdentifier()));
+            update2.setPoliciesToBeUndeployed(List.of(policy.getIdentifier()));
             assertTrue(req.reconfigure(update2));
             throw makeException();
         }).when(undeployer).undeploy(any(), any(), any());
@@ -538,10 +549,10 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         req.checkResponse(response);
 
         // invoke the method
-        invokeFailureHandler(1);
+        invokeFailureHandler();
 
         verify(undeployer).undeploy(eq(MY_GROUP), eq(MY_SUBGROUP), undeployCaptor.capture());
-        assertEquals(Arrays.asList(ident).toString(), undeployCaptor.getValue().toString());
+        assertEquals(List.of(ident).toString(), undeployCaptor.getValue().toString());
 
         // no effect on the map
         map.addRequest(update);
@@ -553,14 +564,14 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
      * remains unchanged.
      */
     @Test
-    public void testSingletonListenerFailureUndeployMessageUnchanged() throws Exception {
+    void testSingletonListenerFailureUndeployMessageUnchanged() throws Exception {
 
         ToscaConceptIdentifier ident = new ToscaConceptIdentifier("msg-unchanged", "8.7.6");
         ToscaPolicy policy = mock(ToscaPolicy.class);
         when(policy.getIdentifier()).thenReturn(ident);
 
         // add some policies to the update
-        update.setPoliciesToBeDeployed(Arrays.asList(policy));
+        update.setPoliciesToBeDeployed(List.of(policy));
 
         map.addRequest(update);
 
@@ -571,10 +582,10 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
         req.checkResponse(response);
 
         // invoke the method
-        invokeFailureHandler(1);
+        invokeFailureHandler();
 
         verify(undeployer).undeploy(eq(MY_GROUP), eq(MY_SUBGROUP), undeployCaptor.capture());
-        assertEquals(Arrays.asList(ident).toString(), undeployCaptor.getValue().toString());
+        assertEquals(List.of(ident).toString(), undeployCaptor.getValue().toString());
 
         // requests should have been removed from the map so this should allocate another
         map.addRequest(update);
@@ -582,11 +593,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testSingletonListenerSuccess() throws Exception {
+    void testSingletonListenerSuccess() {
         map.addRequest(change);
 
         // invoke the method
-        invokeSuccessHandler(1);
+        invokeSuccessHandler();
 
         verify(requests, never()).stopPublishing();
 
@@ -596,11 +607,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRequestCompleted_LastRequest() throws Exception {
+    void testRequestCompleted_LastRequest() {
         map.addRequest(change);
 
         // invoke the method
-        invokeSuccessHandler(1);
+        invokeSuccessHandler();
 
         verify(requests, never()).stopPublishing();
 
@@ -610,7 +621,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRequestCompleted_NameMismatch() throws Exception {
+    void testRequestCompleted_NameMismatch() {
         // use a different name
         when(requests.getPdpName()).thenReturn(DIFFERENT);
 
@@ -618,10 +629,10 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
 
         // put the PDP in a group
         PdpGroup group = makeGroup(MY_GROUP);
-        group.setPdpSubgroups(Arrays.asList(makeSubGroup(MY_SUBGROUP, PDP1, DIFFERENT)));
+        group.setPdpSubgroups(List.of(makeSubGroup(MY_SUBGROUP, PDP1, DIFFERENT)));
 
         // invoke the method - with a different name (i.e., PDP1 instead of DIFFERENT)
-        invokeSuccessHandler(1);
+        invokeSuccessHandler();
 
         verify(requests, never()).stopPublishing();
 
@@ -634,13 +645,13 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRequestCompleted_AlreadyStopped() throws Exception {
+    void testRequestCompleted_AlreadyStopped() {
         map.addRequest(change);
 
         map.stopPublishing(PDP1);
 
         // invoke the method
-        invokeSuccessHandler(1);
+        invokeSuccessHandler();
 
         // should have called this a second time
         verify(requests, times(2)).stopPublishing();
@@ -651,13 +662,13 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testRequestCompleted_NotFirstInQueue() throws Exception {
+    void testRequestCompleted_NotFirstInQueue() {
         map.addRequest(change);
 
         when(requests.isFirstInQueue(any())).thenReturn(false);
 
         // invoke the method
-        invokeSuccessHandler(1);
+        invokeSuccessHandler();
 
         // should not have called this
         verify(requests, never()).stopPublishing();
@@ -668,11 +679,11 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
     }
 
     @Test
-    public void testSingletonListenerRetryCountExhausted() throws Exception {
+    void testSingletonListenerRetryCountExhausted() {
         final var request = map.addRequest(change);
 
         // invoke the method
-        invokeLastRetryHandler(1, request);
+        invokeLastRetryHandler(request);
 
         verify(requests).stopPublishing();
     }
@@ -680,30 +691,25 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
 
     /**
      * Invokes the first request's listener.success() method.
-     *
-     * @param count expected number of requests
      */
-    private void invokeSuccessHandler(int count) {
-        getListener(getSingletons(count).get(0)).success(PDP1, response);
+    private void invokeSuccessHandler() {
+        getListener(getSingletons(1).get(0)).success(PDP1, response);
     }
 
     /**
      * Invokes the first request's listener.failure() method.
-     *
-     * @param count expected number of requests
      */
-    private void invokeFailureHandler(int count) {
-        getListener(getSingletons(count).get(0)).failure(PDP1, MY_REASON);
+    private void invokeFailureHandler() {
+        getListener(getSingletons(1).get(0)).failure(PDP1, MY_REASON);
     }
 
     /**
      * Invokes the first request's listener.retryCountExhausted() method.
      *
-     * @param count expected number of requests
      * @param request request whose count was exhausted
      */
-    private void invokeLastRetryHandler(int count, Request request) {
-        getListener(getSingletons(count).get(0)).retryCountExhausted(request);
+    private void invokeLastRetryHandler(Request request) {
+        getListener(getSingletons(1).get(0)).retryCountExhausted(request);
     }
 
     /**
@@ -742,7 +748,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
 
         subgroup.setPdpType(pdpType);
         subgroup.setCurrentInstanceCount(pdpNames.length);
-        subgroup.setPdpInstances(Arrays.asList(pdpNames).stream().map(this::makePdp).collect(Collectors.toList()));
+        subgroup.setPdpInstances(Arrays.stream(pdpNames).map(this::makePdp).collect(Collectors.toList()));
 
         return subgroup;
     }
@@ -759,9 +765,8 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
      * Gets the input to the method.
      *
      * @return the input that was passed to the dao.updatePdpGroups() method
-     * @throws Exception if an error occurred
      */
-    private List<PdpGroup> getGroupUpdates() throws Exception {
+    private List<PdpGroup> getGroupUpdates() {
         verify(pdpGroupService).updatePdpGroups(updateCaptor.capture());
 
         return copyList(updateCaptor.getValue());
@@ -775,7 +780,7 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
      */
     private List<PdpGroup> copyList(List<PdpGroup> source) {
         List<PdpGroup> newlst = new ArrayList<>(source);
-        Collections.sort(newlst, (left, right) -> left.getName().compareTo(right.getName()));
+        newlst.sort(Comparator.comparing(PdpGroup::getName));
         return newlst;
     }
 
@@ -787,7 +792,8 @@ public class PdpModifyRequestMapTest extends CommonRequestBase {
 
         public MyMap(PdpModifyRequestMapParams params) {
             super(pdpGroupService, policyStatusService, responseHandler, undeployer, notifier);
-            super.initialize(params);;
+            super.initialize(params);
+            ;
         }
 
         @Override
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PdpRequestsTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PdpRequestsTest.java
index 8c257f0b..0c787678 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PdpRequestsTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PdpRequestsTest.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,17 +22,17 @@
 package org.onap.policy.pap.main.comm;
 
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.pap.main.comm.msgdata.StateChangeReq;
 import org.onap.policy.pap.main.comm.msgdata.UpdateReq;
 
@@ -44,7 +45,7 @@ public class PdpRequestsTest extends CommonRequestBase {
     /**
      * Sets up.
      */
-    @Before
+    @BeforeEach
     public void setUp() {
         update = makeUpdateReq(PDP1, MY_GROUP, MY_SUBGROUP);
         change = makeStateChangeReq(PDP1, MY_STATE);
@@ -109,7 +110,7 @@ public class PdpRequestsTest extends CommonRequestBase {
     public void testAddSingleton_Broadcast() {
         UpdateReq req = makeUpdateReq(null, MY_GROUP, MY_SUBGROUP);
         assertThatIllegalArgumentException().isThrownBy(() -> data.addSingleton(req))
-                        .withMessage("unexpected broadcast for pdp_1");
+            .withMessage("unexpected broadcast for pdp_1");
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandlerTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandlerTest.java
index f3ba51ab..5a889125 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandlerTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandlerTest.java
@@ -23,23 +23,32 @@ package org.onap.policy.pap.main.comm;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+import java.io.Serial;
 import java.sql.SQLIntegrityConstraintViolationException;
 import org.hibernate.HibernateException;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.pap.main.PolicyPapApplication;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.ActiveProfiles;
 
 @SpringBootTest(
     classes = PolicyPapApplication.class,
     webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
-    properties = {
-        "db.initialize=false"
-    })
-
-public class PdpStatusMessageHandlerTest {
+    properties = {"db.initialize=false"})
+@ActiveProfiles("test")
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
+class PdpStatusMessageHandlerTest {
+
+    @BeforeAll
+    public static void setupClass() {
+        Registry.newRegistry();
+    }
 
     @Test
-    public void testIsDuplicateKeyException() {
+    void testIsDuplicateKeyException() {
 
         // @formatter:off
 
@@ -85,7 +94,7 @@ public class PdpStatusMessageHandlerTest {
                             new SQLIntegrityConstraintViolationException()), HibernateException.class))
             .isTrue();
 
-        // multiple cause both inside and outside of the eclipselink exception
+        // multiple cause both inside and outside the eclipselink exception
         assertThat(PdpStatusMessageHandler.isDuplicateKeyException(
                         new Exception(
                             new Exception(
@@ -98,6 +107,7 @@ public class PdpStatusMessageHandlerTest {
     }
 
     public static class MyHibernateException extends HibernateException {
+        @Serial
         private static final long serialVersionUID = 1L;
 
         public MyHibernateException() {
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java
index c33790aa..ed93a06c 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/PublisherTest.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
- * Modifications Copyright (C) 2022 Nordix Foundation.
+ * Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,19 +23,19 @@
 package org.onap.policy.pap.main.comm;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
-import org.junit.After;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
 import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.event.comm.TopicListener;
@@ -82,9 +82,8 @@ public class PublisherTest extends Threaded {
 
     /**
      * Configures the topic and attaches a listener.
-     *
      */
-    @BeforeClass
+    @BeforeAll
     public static void setUpBeforeClass() {
         final PapParameterGroup parameterGroup = new CommonTestData().getPapParameterGroup(6969);
         TopicEndpointManager.getManager().shutdown();
@@ -93,7 +92,7 @@ public class PublisherTest extends Threaded {
         TopicEndpointManager.getManager().start();
     }
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         TopicEndpointManager.getManager().shutdown();
     }
@@ -103,7 +102,7 @@ public class PublisherTest extends Threaded {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
 
@@ -118,7 +117,7 @@ public class PublisherTest extends Threaded {
      *
      * @throws Exception if an error occurs
      */
-    @After
+    @AfterEach
     public void tearDown() throws Exception {
         TopicEndpointManager.getManager().getNoopTopicSink(PDP_PAP_TOPIC).unregister(listener);
 
@@ -238,9 +237,8 @@ public class PublisherTest extends Threaded {
         /**
          * Waits for a message to be published to the topic.
          *
-         * @param waitMs time to wait, in milli-seconds
-         * @return the next message in the queue, or {@code null} if there are no messages
-         *         or if the timeout was reached
+         * @param waitMs time to wait, in milliseconds
+         * @return the next message in the queue, or {@code null} if there are no messages/timeout was reached
          * @throws InterruptedException if this thread was interrupted while waiting
          */
         public String await(long waitMs) throws InterruptedException {
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/QueueTokenTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/QueueTokenTest.java
index 3ff91edf..ada00101 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/QueueTokenTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/QueueTokenTest.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,21 +21,22 @@
 
 package org.onap.policy.pap.main.comm;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-public class QueueTokenTest {
+class QueueTokenTest {
     private static final String STRING1 = "a string";
     private static final String STRING2 = "another string";
 
     private QueueToken<String> token;
 
     @Test
-    public void test() throws Exception {
+    void test() throws Exception {
         token = new QueueToken<>(STRING1);
         assertEquals(STRING1, token.get());
 
@@ -42,13 +44,13 @@ public class QueueTokenTest {
         assertEquals(STRING2, token.get());
 
         assertEquals(STRING2, token.replaceItem(null));
-        assertEquals(null, token.get());
+        assertNull(token.get());
 
-        assertEquals(null, token.replaceItem(null));
-        assertEquals(null, token.get());
+        assertNull(token.replaceItem(null));
+        assertNull(token.get());
 
-        assertEquals(null, token.replaceItem(STRING1));
-        assertEquals(null, token.get());
+        assertNull(token.replaceItem(STRING1));
+        assertNull(token.get());
 
         /*
          * Now do some mult-threaded tests, hopefully causing some contention.
@@ -80,7 +82,7 @@ public class QueueTokenTest {
 
         for (int x = 0; x < threads.length; ++x) {
             String msg = "me-" + x;
-            assertTrue(msg, values.contains(msg));
+            assertTrue(values.contains(msg), msg);
         }
     }
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/Threaded.java b/main/src/test/java/org/onap/policy/pap/main/comm/Threaded.java
index d6a0d1f1..c2f0e66d 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/Threaded.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/Threaded.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,8 +21,8 @@
 
 package org.onap.policy.pap.main.comm;
 
-import org.junit.After;
-import org.junit.Before;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 
 /**
  * Super class for tests that run a background thread.
@@ -44,7 +45,7 @@ public abstract class Threaded {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         thread = null;
     }
@@ -55,7 +56,7 @@ public abstract class Threaded {
      *
      * @throws Exception if an error occurs
      */
-    @After
+    @AfterEach
     public void tearDown() throws Exception {
         stopThread();
         waitStop();
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/TimerManagerTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/TimerManagerTest.java
index d0f960fc..254e4678 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/TimerManagerTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/TimerManagerTest.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,9 +31,9 @@ import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.pap.main.comm.TimerManager.Timer;
 
 public class TimerManagerTest extends Threaded {
@@ -57,14 +58,14 @@ public class TimerManagerTest extends Threaded {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
 
         mgr = new MyManager(MGR_NAME, MGR_TIMEOUT_MS);
     }
 
-    @After
+    @AfterEach
     public void tearDown() throws Exception {
         super.tearDown();
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/RequestImplTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/RequestImplTest.java
index dd635627..c49ebd9c 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/RequestImplTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/RequestImplTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020 Nordix Foundation.
+ * Modifications Copyright (C) 2020, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,13 +24,13 @@ package org.onap.policy.pap.main.comm.msgdata;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
 import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNotSame;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.never;
@@ -38,8 +38,8 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
 import org.assertj.core.api.Assertions;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpMessage;
 import org.onap.policy.models.pdp.concepts.PdpResponseDetails;
 import org.onap.policy.models.pdp.concepts.PdpStateChange;
@@ -59,7 +59,7 @@ public class RequestImplTest extends CommonRequestBase {
      * Sets up.
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     @Override
     public void setUp() throws Exception {
         super.setUp();
@@ -120,8 +120,8 @@ public class RequestImplTest extends CommonRequestBase {
 
         // should only be one token in the queue
         QueueToken<PdpMessage> token = queue.poll();
-        assertNotNull(token);
-        assertSame(msg2, token.get());
+        org.junit.jupiter.api.Assertions.assertNotNull(token);
+        org.junit.jupiter.api.Assertions.assertSame(msg2, token.get());
 
         verify(dispatcher).register(eq(msg.getRequestId()), any());
         verify(timers).register(eq(msg.getRequestId()), any());
@@ -269,7 +269,7 @@ public class RequestImplTest extends CommonRequestBase {
     @Test
     public void testResetRetryCount_testBumpRetryCount() {
         req = new MyRequest(new RequestParams().setMaxRetryCount(2).setModifyLock(lock).setPdpPublisher(publisher)
-                        .setResponseDispatcher(dispatcher).setTimers(timers), MY_REQ_NAME, msg);
+            .setResponseDispatcher(dispatcher).setTimers(timers), MY_REQ_NAME, msg);
         req.setListener(listener);
 
         assertEquals(0, req.getRetryCount());
@@ -455,7 +455,7 @@ public class RequestImplTest extends CommonRequestBase {
         assertTrue(req.getUndeployPolicies().isEmpty());
     }
 
-    private class MyRequest extends RequestImpl {
+    private static class MyRequest extends RequestImpl {
 
         public MyRequest(RequestParams params, String name, PdpMessage message) {
             super(params, name, message);
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/StateChangeReqTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/StateChangeReqTest.java
index e16cd899..e0185890 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/StateChangeReqTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/StateChangeReqTest.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,14 +21,14 @@
 
 package org.onap.policy.pap.main.comm.msgdata;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpStateChange;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
 import org.onap.policy.models.pdp.concepts.PdpUpdate;
@@ -45,7 +46,7 @@ public class StateChangeReqTest extends CommonRequestBase {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
 
@@ -83,7 +84,7 @@ public class StateChangeReqTest extends CommonRequestBase {
     public void testCheckResponse_NullMsgName() {
         msg.setName(null);
 
-        assertEquals(null, data.checkResponse(response));
+        assertNull(data.checkResponse(response));
     }
 
     @Test
diff --git a/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/UpdateReqTest.java b/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/UpdateReqTest.java
index 53e78e52..7d62c7ef 100644
--- a/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/UpdateReqTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/comm/msgdata/UpdateReqTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021,2023 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,11 +23,11 @@ package org.onap.policy.pap.main.comm.msgdata;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
@@ -40,10 +40,8 @@ import java.util.List;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.stream.Collectors;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.junit.MockitoJUnitRunner;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpStateChange;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
 import org.onap.policy.models.pdp.concepts.PdpUpdate;
@@ -51,8 +49,7 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.onap.policy.pap.main.comm.CommonRequestBase;
 
-@RunWith(MockitoJUnitRunner.class)
-public class UpdateReqTest extends CommonRequestBase {
+class UpdateReqTest extends CommonRequestBase {
 
     private UpdateReq data;
     private PdpUpdate update;
@@ -64,7 +61,7 @@ public class UpdateReqTest extends CommonRequestBase {
      * @throws Exception if an error occurs
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
 
@@ -76,21 +73,21 @@ public class UpdateReqTest extends CommonRequestBase {
         response.setPdpGroup(update.getPdpGroup());
         response.setPdpSubgroup(update.getPdpSubgroup());
         response.setPolicies(
-                        update.getPoliciesToBeDeployed().stream().map(ToscaPolicy::getIdentifier)
-                                .collect(Collectors.toList()));
+            update.getPoliciesToBeDeployed().stream().map(ToscaPolicy::getIdentifier)
+                .collect(Collectors.toList()));
 
         data = new UpdateReq(reqParams, MY_REQ_NAME, update);
         data.setNotifier(notifier);
     }
 
     @Test
-    public void testGetMessage() {
+    void testGetMessage() {
         assertEquals(MY_REQ_NAME, data.getName());
         assertSame(update, data.getMessage());
     }
 
     @Test
-    public void testCheckResponse() {
+    void testCheckResponse() {
         assertNull(data.checkResponse(response));
         assertTrue(data.getUndeployPolicies().isEmpty());
         verifyResponse();
@@ -103,7 +100,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testCheckResponse_NullName() {
+    void testCheckResponse_NullName() {
         response.setName(null);
 
         assertEquals("null PDP name", data.checkResponse(response));
@@ -112,16 +109,16 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testCheckResponse_NullMsgName() {
+    void testCheckResponse_NullMsgName() {
         update.setName(null);
 
-        assertEquals(null, data.checkResponse(response));
+        assertNull(data.checkResponse(response));
         assertTrue(data.getUndeployPolicies().isEmpty());
         verifyResponse();
     }
 
     @Test
-    public void testUpdateReqCheckResponse_MismatchedGroup() {
+    void testUpdateReqCheckResponse_MismatchedGroup() {
         response.setPdpGroup(DIFFERENT);
 
         assertEquals("group does not match", data.checkResponse(response));
@@ -130,7 +127,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testUpdateReqCheckResponse_MismatchedSubGroup() {
+    void testUpdateReqCheckResponse_MismatchedSubGroup() {
         response.setPdpSubgroup(DIFFERENT);
 
         assertEquals("subgroup does not match", data.checkResponse(response));
@@ -139,20 +136,20 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testCheckResponse_NullSubGroup() {
+    void testCheckResponse_NullSubGroup() {
         update.setPdpSubgroup(null);
         response.setPdpSubgroup(null);
 
         // different policy list - should have no impact
         response.setPolicies(Collections.emptyList());
 
-        assertEquals(null, data.checkResponse(response));
+        assertNull(data.checkResponse(response));
         assertTrue(data.getUndeployPolicies().isEmpty());
         verifyNoResponse();
     }
 
     @Test
-    public void testUpdateReqCheckResponse_MismatchedPolicies() {
+    void testUpdateReqCheckResponse_MismatchedPolicies() {
         ArrayList<ToscaPolicy> policies = new ArrayList<>(update.getPoliciesToBeDeployed());
         policies.set(0, makePolicy(DIFFERENT, "10.0.0"));
 
@@ -163,20 +160,20 @@ public class UpdateReqTest extends CommonRequestBase {
 
         // the first policy from the original update is all that should be undeployed
         assertEquals(Collections.singleton(update.getPoliciesToBeDeployed().get(0).getIdentifier()).toString(),
-                        data.getUndeployPolicies().toString());
+            data.getUndeployPolicies().toString());
     }
 
     @Test
-    public void testUpdateReqCheckResponse_MismatchedPolicies_Null_NotNull() {
+    void testUpdateReqCheckResponse_MismatchedPolicies_Null_NotNull() {
         update.setPoliciesToBeDeployed(null);
 
-        assertEquals(null, data.checkResponse(response));
+        assertNull(data.checkResponse(response));
         assertTrue(data.getUndeployPolicies().isEmpty());
         verifyResponse();
     }
 
     @Test
-    public void testUpdateReqCheckResponse_MismatchedPolicies_NotNull_Null() {
+    void testUpdateReqCheckResponse_MismatchedPolicies_NotNull_Null() {
         response.setPolicies(null);
 
         assertEquals("policies do not match", data.checkResponse(response));
@@ -184,12 +181,11 @@ public class UpdateReqTest extends CommonRequestBase {
 
         // all policies in the update should be undeployed
         assertEquals(update.getPoliciesToBeDeployed().stream().map(ToscaPolicy::getIdentifier)
-                .collect(Collectors.toList())
-                        .toString(), new TreeSet<>(data.getUndeployPolicies()).toString());
+            .toList().toString(), new TreeSet<>(data.getUndeployPolicies()).toString());
     }
 
     @Test
-    public void testReconfigure() {
+    void testReconfigure() {
         // different message type should fail and leave message unchanged
         assertFalse(data.reconfigure(new PdpStateChange()));
         assertSame(update, data.getMessage());
@@ -216,7 +212,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testReconfigureIsFullSameAsDeployList() {
+    void testReconfigureIsFullSameAsDeployList() {
         PdpUpdate msg2 = new PdpUpdate(update);
         ArrayList<ToscaPolicy> policies = new ArrayList<>(update.getPoliciesToBeDeployed());
 
@@ -226,7 +222,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testListsNewVsResult() {
+    void testListsNewVsResult() {
         PdpUpdate msg2 = new PdpUpdate(update);
         ArrayList<ToscaPolicy> policies = new ArrayList<>(update.getPoliciesToBeDeployed());
 
@@ -246,8 +242,8 @@ public class UpdateReqTest extends CommonRequestBase {
         policies.clear();
         policies = new ArrayList<>(update.getPoliciesToBeDeployed());
         List<ToscaConceptIdentifier> polsToUndep = policies.parallelStream()
-                .map(ToscaPolicy::getIdentifier)
-                .collect(Collectors.toList());
+            .map(ToscaPolicy::getIdentifier)
+            .collect(Collectors.toList());
         msg2.setPoliciesToBeUndeployed(polsToUndep);
 
         assertTrue(data.reconfigure(msg2));
@@ -261,7 +257,7 @@ public class UpdateReqTest extends CommonRequestBase {
 
         // some items in both undeploy and newMessage.undeploy
         List<ToscaConceptIdentifier> pols = policies.stream().map(ToscaPolicy::getIdentifier)
-                .collect(Collectors.toList());
+            .collect(Collectors.toList());
         msg2.setPoliciesToBeUndeployed(pols);
         pols.add(makePolicy("policy-zz-1", "1.1.0").getIdentifier());
         data.getMessage().setPoliciesToBeUndeployed(pols);
@@ -271,8 +267,8 @@ public class UpdateReqTest extends CommonRequestBase {
         // some items in both undeploy and newMessage.deploy
         policies = new ArrayList<>(update.getPoliciesToBeDeployed());
         List<ToscaConceptIdentifier> polsToUndep2 = policies.parallelStream()
-                .map(ToscaPolicy::getIdentifier)
-                .collect(Collectors.toList());
+            .map(ToscaPolicy::getIdentifier)
+            .collect(Collectors.toList());
         data.getMessage().setPoliciesToBeUndeployed(polsToUndep2);
 
         List<ToscaPolicy> polsToDep2 = new LinkedList<>();
@@ -283,14 +279,14 @@ public class UpdateReqTest extends CommonRequestBase {
         assertTrue(data.reconfigure(msg2));
 
         List<ToscaConceptIdentifier> dataPols2 = data.getMessage().getPoliciesToBeDeployed().stream()
-                .map(ToscaPolicy::getIdentifier)
-                .collect(Collectors.toList());
+            .map(ToscaPolicy::getIdentifier)
+            .collect(Collectors.toList());
         assertThat(data.getMessage().getPoliciesToBeUndeployed())
-                .doesNotContainAnyElementsOf(dataPols2);
+            .doesNotContainAnyElementsOf(dataPols2);
 
         // some items only in undeploy
         pols = policies.stream().map(ToscaPolicy::getIdentifier)
-                .collect(Collectors.toList());
+            .collect(Collectors.toList());
         msg2.setPoliciesToBeUndeployed(pols);
         data.getMessage().setPoliciesToBeUndeployed(new LinkedList<>());
         assertTrue(data.reconfigure(msg2));
@@ -298,7 +294,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent() {
+    void testIsSameContent() {
         data = new UpdateReq(reqParams, MY_REQ_NAME, update);
         data.setNotifier(notifier);
 
@@ -317,7 +313,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_BothGroupNamesNull() {
+    void testIsSameContent_BothGroupNamesNull() {
         PdpUpdate msg2 = new PdpUpdate(update);
         msg2.setPdpGroup(null);
         update.setPdpGroup(null);
@@ -325,7 +321,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_BothSubGroupNamesNull() {
+    void testIsSameContent_BothSubGroupNamesNull() {
         PdpUpdate msg2 = new PdpUpdate(update);
         msg2.setPdpSubgroup(null);
         update.setPdpSubgroup(null);
@@ -333,7 +329,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_DiffGroup() {
+    void testIsSameContent_DiffGroup() {
         PdpUpdate msg2 = new PdpUpdate(update);
         msg2.setPdpGroup(null);
         assertFalse(data.isSameContent(msg2));
@@ -346,7 +342,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_DiffSubGroup() {
+    void testIsSameContent_DiffSubGroup() {
         PdpUpdate msg2 = new PdpUpdate(update);
         msg2.setPdpSubgroup(null);
         assertFalse(data.isSameContent(msg2));
@@ -359,7 +355,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_DiffPolicies() {
+    void testIsSameContent_DiffPolicies() {
         PdpUpdate msg2 = new PdpUpdate(update);
 
         ArrayList<ToscaPolicy> policies = new ArrayList<>(update.getPoliciesToBeDeployed());
@@ -370,7 +366,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_DiffPolicies_NotNull_Null() {
+    void testIsSameContent_DiffPolicies_NotNull_Null() {
         PdpUpdate msg2 = new PdpUpdate(update);
         msg2.setPoliciesToBeDeployed(null);
 
@@ -378,7 +374,7 @@ public class UpdateReqTest extends CommonRequestBase {
     }
 
     @Test
-    public void testIsSameContent_DiffPolicies_Null_NotNull() {
+    void testIsSameContent_DiffPolicies_Null_NotNull() {
         final PdpUpdate msg2 = new PdpUpdate(update);
 
         update.setPoliciesToBeDeployed(null);
diff --git a/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentStatusTest.java b/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentStatusTest.java
index 306ec8cd..188bece0 100644
--- a/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentStatusTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentStatusTest.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,24 +28,22 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import lombok.NonNull;
 import org.apache.commons.lang3.builder.CompareToBuilder;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnitRunner;
+import org.mockito.MockitoAnnotations;
 import org.onap.policy.common.utils.services.Registry;
-import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pap.concepts.PolicyNotification;
 import org.onap.policy.models.pap.concepts.PolicyStatus;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
@@ -55,7 +54,6 @@ import org.onap.policy.pap.main.PapConstants;
 import org.onap.policy.pap.main.notification.StatusAction.Action;
 import org.onap.policy.pap.main.service.PolicyStatusService;
 
-@RunWith(MockitoJUnitRunner.class)
 public class DeploymentStatusTest {
 
     private static final String VERSION = "1.2.3";
@@ -85,10 +83,12 @@ public class DeploymentStatusTest {
 
     private DeploymentStatus tracker;
 
+    AutoCloseable autoCloseable;
+
     /**
      * Set up the meter registry for tests.
      */
-    @BeforeClass
+    @BeforeAll
     public static void setUpBeforeClass() {
         Registry.registerOrReplace(PapConstants.REG_METER_REGISTRY, new SimpleMeterRegistry());
     }
@@ -96,7 +96,7 @@ public class DeploymentStatusTest {
     /**
      * Tear down the meter registry after tests.
      */
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.unregister(PapConstants.REG_METER_REGISTRY);
     }
@@ -104,8 +104,9 @@ public class DeploymentStatusTest {
     /**
      * Sets up.
      */
-    @Before
+    @BeforeEach
     public void setUp() {
+        autoCloseable = MockitoAnnotations.openMocks(this);
         tracker = new DeploymentStatus(policyStatusService);
 
         // @formatter:off
@@ -121,8 +122,13 @@ public class DeploymentStatusTest {
 
     }
 
+    @AfterEach
+    void tearDown() throws Exception {
+        autoCloseable.close();
+    }
+
     @Test
-    public void testAddNotifications() {
+    void testAddNotifications() {
         PdpPolicyStatus create = builder.pdpId("created").state(State.FAILURE).build();
         PdpPolicyStatus update = builder.pdpId("updated").state(State.SUCCESS).build();
         PdpPolicyStatus delete = builder.pdpId("deleted").state(State.SUCCESS).build();
@@ -160,7 +166,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testLoadByGroup() throws PfModelException {
+    void testLoadByGroup() {
         PdpPolicyStatus status1 = builder.build();
         PdpPolicyStatus status2 = builder.policy(POLICY_B).build();
         PdpPolicyStatus status3 = builder.policy(POLICY_A).pdpId(PDP_B).build();
@@ -183,7 +189,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testFlushPdpNotification() {
+    void testFlushPdpNotification() {
         PdpPolicyStatus create = builder.pdpId("created").state(State.FAILURE).build();
         tracker.getRecordMap().putAll(makeMap(Action.CREATED, create));
 
@@ -196,7 +202,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testFlush() throws PfModelException {
+    void testFlush() {
         PdpPolicyStatus create1 = builder.pdpId("createA").build();
         PdpPolicyStatus create2 = builder.pdpId("createB").build();
         PdpPolicyStatus update1 = builder.pdpId("updateA").build();
@@ -240,7 +246,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testDeleteUndeployments() {
+    void testDeleteUndeployments() {
         builder.deploy(true);
         PdpPolicyStatus delete = builder.policy(POLICY_A).build();
         PdpPolicyStatus deployedComplete = builder.policy(POLICY_B).build();
@@ -283,7 +289,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testDeleteDeploymentString() {
+    void testDeleteDeploymentString() {
         PdpPolicyStatus statusaa = builder.pdpId(PDP_A).policy(POLICY_A).build();
         PdpPolicyStatus statusab = builder.pdpId(PDP_A).policy(POLICY_B).build();
         PdpPolicyStatus statusba = builder.pdpId(PDP_B).policy(POLICY_A).build();
@@ -311,7 +317,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testDeleteDeploymentToscaConceptIdentifierBoolean() {
+    void testDeleteDeploymentToscaConceptIdentifierBoolean() {
         PdpPolicyStatus deploy1A = builder.policy(POLICY_A).build();
         PdpPolicyStatus deploy2A = builder.policy(POLICY_A).pdpId(PDP_B).build();
         PdpPolicyStatus deployB = builder.policy(POLICY_B).pdpId(PDP_A).build();
@@ -356,7 +362,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testDeleteDeploymentBiPredicateOfStatusKeyStatusAction() {
+    void testDeleteDeploymentBiPredicateOfStatusKeyStatusAction() {
         PdpPolicyStatus create1 = builder.pdpId(PDP_A).build();
         PdpPolicyStatus delete = builder.pdpId(PDP_B).build();
         PdpPolicyStatus update = builder.pdpId(PDP_C).build();
@@ -386,7 +392,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testDeploy() {
+    void testDeploy() {
         tracker.deploy(PDP_A, POLICY_A, POLICY_TYPE, GROUP_A, PDP_TYPE, true);
 
         assertThat(tracker.getRecordMap()).hasSize(1);
@@ -450,7 +456,7 @@ public class DeploymentStatusTest {
     }
 
     @Test
-    public void testCompleteDeploy() {
+    void testCompleteDeploy() {
         tracker.deploy(PDP_A, POLICY_A, POLICY_TYPE, GROUP_A, PDP_TYPE, true);
         assertThat(tracker.getRecordMap()).hasSize(1);
 
@@ -503,7 +509,7 @@ public class DeploymentStatusTest {
     }
 
     private void checkCompleteDeploy(boolean deploy, Set<ToscaConceptIdentifier> expected,
-                    Set<ToscaConceptIdentifier> actual, Action action, State state) {
+                                     Set<ToscaConceptIdentifier> actual, Action action, State state) {
 
         StatusAction status = tracker.getRecordMap().values().iterator().next();
         status.getStatus().setDeploy(deploy);
@@ -518,7 +524,7 @@ public class DeploymentStatusTest {
 
     private List<PdpPolicyStatus> sort(List<PdpPolicyStatus> list) {
 
-        Collections.sort(list, (rec1, rec2) -> {
+        list.sort((rec1, rec2) -> {
 
             // @formatter:off
             return new CompareToBuilder()
diff --git a/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentTrackerTest.java b/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentTrackerTest.java
index 22eb8786..3c351e50 100644
--- a/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentTrackerTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/notification/DeploymentTrackerTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,11 +25,11 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
+import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PolicyNotification;
 import org.onap.policy.models.pap.concepts.PolicyStatus;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
@@ -36,7 +37,7 @@ import org.onap.policy.models.pdp.concepts.PdpPolicyStatus.PdpPolicyStatusBuilde
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus.State;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 
-public class DeploymentTrackerTest {
+class DeploymentTrackerTest {
     private static final String VERSION = "1.2.3";
     private static final String MY_GROUP = "MyGroup";
     private static final String MY_PDP_TYPE = "MyPdpType";
@@ -52,15 +53,15 @@ public class DeploymentTrackerTest {
     /**
      * Sets up test objects.
      */
-    @Before
+    @BeforeEach
     public void setUp() {
         tracker = new DeploymentTracker();
         builder = PdpPolicyStatus.builder().deploy(true).state(State.SUCCESS).pdpGroup(MY_GROUP).pdpType(MY_PDP_TYPE)
-                        .policy(POLICY_A).policyType(POLICY_TYPE).pdpId(PDP_A);
+            .policy(POLICY_A).policyType(POLICY_TYPE).pdpId(PDP_A);
     }
 
     @Test
-    public void testGetDeploymentStatus() {
+    void testGetDeploymentStatus() {
         assertThat(tracker.getDeploymentStatus()).isEmpty();
 
         tracker.add(builder.build());
@@ -71,7 +72,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testGetUndeploymentStatus() {
+    void testGetUndeploymentStatus() {
         builder.deploy(false);
 
         assertThat(tracker.getUndeploymentStatus()).isEmpty();
@@ -84,7 +85,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testAddNotifications() {
+    void testAddNotifications() {
         DeploymentTracker newTracker = new DeploymentTracker();
 
         newTracker.add(builder.build());
@@ -101,7 +102,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testMerge() {
+    void testMerge() {
         DeploymentTracker newTracker = new DeploymentTracker();
 
         // appears in both
@@ -122,7 +123,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testNeedNotification() {
+    void testNeedNotification() {
         final PolicyStatus oldStat = new PolicyStatus();
         final PolicyStatus newStat = new PolicyStatus();
 
@@ -168,7 +169,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testAddMissing() {
+    void testAddMissing() {
         DeploymentTracker newTracker = new DeploymentTracker();
 
         // appears in both, not waiting
@@ -197,7 +198,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testAddStatusAction() {
+    void testAddStatusAction() {
         tracker.add(new StatusAction(StatusAction.Action.DELETED, builder.build()));
         assertThat(tracker.getDeploymentStatus()).isEmpty();
 
@@ -212,7 +213,7 @@ public class DeploymentTrackerTest {
     }
 
     @Test
-    public void testAddPdpPolicyStatus() {
+    void testAddPdpPolicyStatus() {
         tracker.add(builder.build());
         Collection<PolicyStatus> result = tracker.getDeploymentStatus();
         assertThat(result).hasSize(1);
@@ -250,7 +251,7 @@ public class DeploymentTrackerTest {
         assertThat(result).hasSize(2);
 
         List<PolicyStatus> list = new ArrayList<>(result);
-        Collections.sort(list, (rec1, rec2) -> rec1.getPolicy().compareTo(rec2.getPolicy()));
+        list.sort(Comparator.comparing(PolicyStatus::getPolicy));
         Iterator<PolicyStatus> iter = list.iterator();
 
         status = iter.next();
diff --git a/main/src/test/java/org/onap/policy/pap/main/notification/PolicyNotifierTest.java b/main/src/test/java/org/onap/policy/pap/main/notification/PolicyNotifierTest.java
index 48e3f57e..69c74205 100644
--- a/main/src/test/java/org/onap/policy/pap/main/notification/PolicyNotifierTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/notification/PolicyNotifierTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,15 +32,17 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
+import jakarta.ws.rs.core.Response.Status;
 import java.util.Collections;
 import java.util.Set;
-import javax.ws.rs.core.Response.Status;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
@@ -55,7 +57,7 @@ import org.onap.policy.pap.main.comm.QueueToken;
 import org.onap.policy.pap.main.service.PolicyStatusService;
 
 @RunWith(MockitoJUnitRunner.class)
-public class PolicyNotifierTest {
+class PolicyNotifierTest {
     private static final String GROUP_A = "groupA";
     private static final String PDP1 = "pdp-1";
     private static final ToscaConceptIdentifier policy1 = new ToscaConceptIdentifier("policy1", "1.2.3");
@@ -70,28 +72,19 @@ public class PolicyNotifierTest {
     @Mock
     private DeploymentStatus tracker;
 
-    @Mock
-    private PolicyStatus status1;
-
-    @Mock
-    private PolicyStatus status2;
-
-    @Mock
-    private PolicyStatus status3;
-
-    @Mock
-    private PolicyStatus status4;
-
     @Captor
     ArgumentCaptor<QueueToken<PolicyNotification>> notifyCaptor;
 
     private MyNotifier notifier;
 
+    AutoCloseable closeable;
+
     /**
      * Creates various objects, including {@link #notifier}.
      */
-    @Before
+    @BeforeEach
     public void setUp() {
+        closeable = MockitoAnnotations.openMocks(this);
         try {
             when(policyStatusService.getGroupPolicyStatus(anyString())).thenReturn(Collections.emptyList());
             Registry.registerOrReplace(PapConstants.REG_METER_REGISTRY, new SimpleMeterRegistry());
@@ -102,8 +95,13 @@ public class PolicyNotifierTest {
         }
     }
 
+    @AfterEach
+    void tearDown() throws Exception {
+        closeable.close();
+    }
+
     @Test
-    public void testProcessResponseString() throws PfModelException {
+    void testProcessResponseString() {
         Set<ToscaConceptIdentifier> expected = Set.of(policy1);
         Set<ToscaConceptIdentifier> actual = Set.of(policy2);
 
@@ -124,7 +122,7 @@ public class PolicyNotifierTest {
     }
 
     @Test
-    public void testProcessResponseString_Ex() throws PfModelException {
+    void testProcessResponseString_Ex() {
         doThrow(new PfModelRuntimeException(Status.BAD_REQUEST, "expected exception")).when(tracker)
             .loadByGroup(anyString());
 
@@ -135,7 +133,7 @@ public class PolicyNotifierTest {
      * Tests publish(), when the notification is empty.
      */
     @Test
-    public void testPublishEmpty() {
+    void testPublishEmpty() {
         notifier.publish(new PolicyNotification());
         verify(publisher, never()).enqueue(any());
     }
@@ -144,7 +142,7 @@ public class PolicyNotifierTest {
      * Tests publish(), when the notification is NOT empty.
      */
     @Test
-    public void testPublishNotEmpty() {
+    void testPublishNotEmpty() {
         PolicyNotification notif = new PolicyNotification();
         notif.getAdded().add(new PolicyStatus());
 
@@ -154,7 +152,7 @@ public class PolicyNotifierTest {
     }
 
     @Test
-    public void testMakeDeploymentTracker() throws PfModelException {
+    void testMakeDeploymentTracker() {
         // make real object, which will invoke the real makeXxx() methods
         PolicyNotifier policyNotifier = new PolicyNotifier(policyStatusService);
         policyNotifier.setPublisher(publisher);
diff --git a/main/src/test/java/org/onap/policy/pap/main/notification/StatusActionTest.java b/main/src/test/java/org/onap/policy/pap/main/notification/StatusActionTest.java
index 3303a9b2..17a6141e 100644
--- a/main/src/test/java/org/onap/policy/pap/main/notification/StatusActionTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/notification/StatusActionTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,15 +23,15 @@ package org.onap.policy.pap.main.notification;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Only test the methods that are not generated by lombok.
  */
-public class StatusActionTest {
+class StatusActionTest {
 
     @Test
-    public void testSetChanged() {
+    void testSetChanged() {
         StatusAction status = new StatusAction(StatusAction.Action.UNCHANGED, null);
 
         // new records should always remain new - action should not change
diff --git a/main/src/test/java/org/onap/policy/pap/main/notification/StatusKeyTest.java b/main/src/test/java/org/onap/policy/pap/main/notification/StatusKeyTest.java
index 558c6bc2..cdad7ea1 100644
--- a/main/src/test/java/org/onap/policy/pap/main/notification/StatusKeyTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/notification/StatusKeyTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,17 +23,17 @@ package org.onap.policy.pap.main.notification;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 
 /**
  * Only test the methods that are not generated by lombok.
  */
-public class StatusKeyTest {
+class StatusKeyTest {
 
     @Test
-    public void testStatusKeyPdpPolicyStatus() {
+    void testStatusKeyPdpPolicyStatus() {
         ToscaConceptIdentifier myPolicy = new ToscaConceptIdentifier();
 
         StatusKey key = new StatusKey(PdpPolicyStatus.builder().pdpId("myPdp").policy(myPolicy).build());
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java
index d52e21f4..5e0e8f2c 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPapParameterGroup.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  *  Modification Copyright 2022. Nordix Foundation.
@@ -24,11 +24,11 @@
 package org.onap.policy.pap.main.parameters;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpModifyRequestMapParams.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpModifyRequestMapParams.java
index c41915d2..affc3b36 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpModifyRequestMapParams.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpModifyRequestMapParams.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,11 +25,11 @@ package org.onap.policy.pap.main.parameters;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
-import static org.junit.Assert.assertSame;
+import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.mockito.Mockito.mock;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.listeners.RequestIdDispatcher;
 import org.onap.policy.models.pdp.concepts.PdpMessage;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
@@ -49,7 +50,7 @@ public class TestPdpModifyRequestMapParams {
     /**
      * Sets up the objects and creates an empty {@link #builder}.
      */
-    @Before
+    @BeforeEach
     @SuppressWarnings("unchecked")
     public void setUp() {
         pub = mock(Publisher.class);
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpParameters.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpParameters.java
index 19192dad..791f1f34 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpParameters.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpParameters.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,13 +22,13 @@
 package org.onap.policy.pap.main.parameters;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.StandardCoder;
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpRequestParameters.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpRequestParameters.java
index 810bc448..2c07925c 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpRequestParameters.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpRequestParameters.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,12 +22,12 @@
 package org.onap.policy.pap.main.parameters;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.StandardCoder;
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpStateChangeParameters.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpStateChangeParameters.java
index 45cbe372..dba174c7 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpStateChangeParameters.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpStateChangeParameters.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,10 +21,10 @@
 
 package org.onap.policy.pap.main.parameters;
 
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.StandardCoder;
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpUpdateParameters.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpUpdateParameters.java
index 814894c6..56a967e3 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpUpdateParameters.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestPdpUpdateParameters.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,10 +21,10 @@
 
 package org.onap.policy.pap.main.parameters;
 
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.StandardCoder;
diff --git a/main/src/test/java/org/onap/policy/pap/main/parameters/TestRequestParams.java b/main/src/test/java/org/onap/policy/pap/main/parameters/TestRequestParams.java
index 7c5a3954..5d48f0d5 100644
--- a/main/src/test/java/org/onap/policy/pap/main/parameters/TestRequestParams.java
+++ b/main/src/test/java/org/onap/policy/pap/main/parameters/TestRequestParams.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,12 +22,12 @@
 package org.onap.policy.pap.main.parameters;
 
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.mockito.Mockito.mock;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.listeners.RequestIdDispatcher;
 import org.onap.policy.models.pdp.concepts.PdpMessage;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
@@ -45,7 +46,7 @@ public class TestRequestParams {
     /**
      * Sets up the objects and creates an empty {@link #params}.
      */
-    @Before
+    @BeforeEach
     @SuppressWarnings("unchecked")
     public void setUp() {
         pub = mock(Publisher.class);
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java b/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
index ca81ab7d..fe22cd89 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/CommonPapRestServer.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019,2023 Nordix Foundation.
+ *  Copyright (C) 2019, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,28 +22,29 @@
 
 package org.onap.policy.pap.main.rest;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import jakarta.ws.rs.client.Client;
+import jakarta.ws.rs.client.ClientBuilder;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.WebTarget;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
+import java.util.Objects;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Function;
 import javax.net.ssl.SSLContext;
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.ClientBuilder;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.WebTarget;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
 import org.glassfish.jersey.client.ClientProperties;
 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
 import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
 import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler;
@@ -61,7 +62,6 @@ import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.annotation.DirtiesContext.ClassMode;
 import org.springframework.test.context.DynamicPropertyRegistry;
 import org.springframework.test.context.DynamicPropertySource;
-import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.util.ReflectionTestUtils;
 
 /**
@@ -69,7 +69,6 @@ import org.springframework.test.util.ReflectionTestUtils;
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-@RunWith(SpringRunner.class)
 @SpringBootTest(classes = PolicyPapApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
     properties = {"db.initialize=false"})
 @DirtiesContext(classMode = ClassMode.AFTER_CLASS)
@@ -98,7 +97,7 @@ public abstract class CommonPapRestServer {
      *
      * @throws Exception if an error occurs
      */
-    @BeforeClass
+    @BeforeAll
     public static void setUpBeforeClass() throws Exception {
         keystore = new SelfSignedKeyStore();
         CommonTestData.newDb();
@@ -122,7 +121,7 @@ public abstract class CommonPapRestServer {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         httpsPrefix = "https://localhost:" + port + "/";
         papActivator = Registry.get(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class);
@@ -132,11 +131,16 @@ public abstract class CommonPapRestServer {
     /**
      * Restores the activator's "alive" state.
      */
-    @After
+    @AfterEach
     public void tearDown() {
         markActivator(activatorWasAlive);
     }
 
+    @AfterAll
+    public static void cleanRegistry() {
+        Registry.newRegistry();
+    }
+
     /**
      * Verifies that an endpoint appears within the swagger response.
      *
@@ -145,7 +149,7 @@ public abstract class CommonPapRestServer {
      */
     protected void testSwagger(final String endpoint) throws Exception {
         final Invocation.Builder invocationBuilder = sendFqeRequest(httpsPrefix
-                + ENDPOINT_PREFIX + "v3/api-docs", true, MediaType.APPLICATION_JSON);
+            + ENDPOINT_PREFIX + "v3/api-docs", true, MediaType.APPLICATION_JSON);
         final String resp = invocationBuilder.get(String.class);
         assertTrue(resp.contains(endpoint));
     }
@@ -175,7 +179,8 @@ public abstract class CommonPapRestServer {
 
     private void markActivator(boolean wasAlive) {
         Object manager = ReflectionTestUtils.getField(papActivator, "serviceManager");
-        AtomicBoolean running = (AtomicBoolean) ReflectionTestUtils.getField(manager, "running");
+        AtomicBoolean running = (AtomicBoolean) ReflectionTestUtils
+            .getField(Objects.requireNonNull(manager), "running");
         running.set(wasAlive);
     }
 
@@ -183,13 +188,13 @@ public abstract class CommonPapRestServer {
      * Verifies that unauthorized requests fail.
      *
      * @param endpoint the target end point
-     * @param sender function that sends the requests to the target
+     * @param sender   function that sends the requests to the target
      * @throws Exception if an error occurs
      */
     protected void checkUnauthRequest(final String endpoint, Function<Invocation.Builder, Response> sender)
-                    throws Exception {
+        throws Exception {
         assertEquals(Response.Status.UNAUTHORIZED.getStatusCode(),
-                        sender.apply(sendNoAuthRequest(endpoint)).getStatus());
+            sender.apply(sendNoAuthRequest(endpoint)).getStatus());
     }
 
     /**
@@ -206,7 +211,7 @@ public abstract class CommonPapRestServer {
     /**
      * Sends a request to an endpoint.
      *
-     * @param endpoint the target endpoint
+     * @param endpoint  the target endpoint
      * @param mediaType the media type for the request
      * @return a request builder
      * @throws Exception if an error occurs
@@ -230,21 +235,21 @@ public abstract class CommonPapRestServer {
      * Sends a request to a fully qualified endpoint.
      *
      * @param fullyQualifiedEndpoint the fully qualified target endpoint
-     * @param includeAuth if authorization header should be included
+     * @param includeAuth            if authorization header should be included
      * @return a request builder
      * @throws Exception if an error occurs
      */
     protected Invocation.Builder sendFqeRequest(final String fullyQualifiedEndpoint, boolean includeAuth,
-                    String mediaType) throws Exception {
+                                                String mediaType) throws Exception {
         final SSLContext sc = SSLContext.getInstance("TLSv1.2");
         sc.init(null, NetworkUtil.getAlwaysTrustingManager(), new SecureRandom());
         final ClientBuilder clientBuilder =
-                        ClientBuilder.newBuilder().sslContext(sc).hostnameVerifier((host, session) -> true);
+            ClientBuilder.newBuilder().sslContext(sc).hostnameVerifier((host, session) -> true);
         final Client client = clientBuilder.build();
 
         client.property(ClientProperties.METAINF_SERVICES_LOOKUP_DISABLE, "true");
         client.register((mediaType.equalsIgnoreCase(MediaType.APPLICATION_JSON) ? GsonMessageBodyHandler.class
-                        : YamlMessageBodyHandler.class));
+            : YamlMessageBodyHandler.class));
 
         if (includeAuth) {
             final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("policyadmin", "zb!XztG34");
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java b/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java
index d1d29f0c..8faf2d25 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/PapRestControllerV1Test.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -26,11 +26,11 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
+import jakarta.ws.rs.core.SecurityContext;
 import java.util.UUID;
-import javax.ws.rs.core.SecurityContext;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.springframework.http.ResponseEntity;
@@ -44,13 +44,13 @@ public class PapRestControllerV1Test {
     private AutoCloseable closeable;
     private BodyBuilder bldr;
 
-    @Before
+    @BeforeEach
     public void setUp() {
         bldr = ResponseEntity.ok();
         closeable = MockitoAnnotations.openMocks(this);
     }
 
-    @After
+    @AfterEach
     public void after() throws Exception {
         closeable.close();
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/ProviderSuper.java b/main/src/test/java/org/onap/policy/pap/main/rest/ProviderSuper.java
index 60de563e..e5a83305 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/ProviderSuper.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/ProviderSuper.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2022 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021-2022 Nordix Foundation.
+ * Modifications Copyright (C) 2021-2023 Nordix Foundation.
  * Modifications Copyright (C) 2022-2023 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,7 +23,7 @@
 package org.onap.policy.pap.main.rest;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
@@ -37,7 +37,8 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.Objects;
 import java.util.stream.Collectors;
-import org.junit.Before;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
@@ -95,15 +96,17 @@ public class ProviderSuper {
     protected ToscaPolicy policy1;
     protected MeterRegistry meterRegistry;
 
+    AutoCloseable closeable;
+
     /**
      * Configures DAO, captors, and various mocks.
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
 
         Registry.newRegistry();
 
-        MockitoAnnotations.openMocks(this);
+        closeable = MockitoAnnotations.openMocks(this);
 
         reqmap = mock(PdpModifyRequestMap.class);
 
@@ -125,6 +128,11 @@ public class ProviderSuper {
 
     }
 
+    @AfterEach
+    public void tearDown() throws Exception {
+        closeable.close();
+    }
+
     /**
      * Initialize services to the provider for tests.
      *
@@ -280,7 +288,7 @@ public class ProviderSuper {
      * Loads an object from a JSON file.
      *
      * @param fileName name of the file from which to load
-     * @param clazz the class of the object to be loaded
+     * @param clazz    the class of the object to be loaded
      * @return the object that was loaded from the file
      */
     protected <T> T loadFile(String fileName, Class<T> clazz) {
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestActuatorEndpoints.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestActuatorEndpoints.java
index 3fdb1f42..d1efa895 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestActuatorEndpoints.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestActuatorEndpoints.java
@@ -20,17 +20,16 @@
 
 package org.onap.policy.pap.main.rest;
 
-import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.services.Registry;
+import org.onap.policy.pap.main.PolicyPapApplication;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -38,13 +37,13 @@ import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequ
 import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.RequestPostProcessor;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
-@RunWith(SpringRunner.class)
-@SpringBootTest(webEnvironment = RANDOM_PORT)
+@SpringBootTest(classes = PolicyPapApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+    properties = {"db.initialize=false"})
 @ActiveProfiles("test")
 @AutoConfigureMockMvc
 @ContextConfiguration
@@ -57,7 +56,10 @@ public class TestActuatorEndpoints {
     @Autowired
     private MockMvc mock;
 
-    @BeforeClass
+    private final RequestPostProcessor mockSecurity = SecurityMockMvcRequestPostProcessors
+        .httpBasic("policyAdmin", "zb!XztG34");
+
+    @BeforeAll
     public static void setupClass() {
         Registry.newRegistry();
     }
@@ -68,17 +70,8 @@ public class TestActuatorEndpoints {
     }
 
     @Test
-    public void testMetricsEndpoint() throws Exception {
-        mock.perform(get("/plain-metrics").with(SecurityMockMvcRequestPostProcessors.httpBasic(
-            "policyAdmin", "zb!XztG34")))
-            .andDo(print())
-            .andExpect(status().isOk())
-            .andExpect(jsonPath("$").isNotEmpty());
-    }
-
-    @Test
-    public void testPrometheusEndpoint() throws Exception {
-        mock.perform(get("/metrics").with(SecurityMockMvcRequestPostProcessors.httpBasic("policyAdmin", "zb!XztG34")))
+    void testPrometheusEndpoint() throws Exception {
+        mock.perform(get("/metrics").with(mockSecurity))
             .andDo(print())
             .andExpect(status().isOk())
             .andExpect(jsonPath("$").isNotEmpty());
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestGroupData.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestGroupData.java
index 5eb5611f..47c4c28e 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestGroupData.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestGroupData.java
@@ -3,6 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,8 +26,8 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpGroup;
 
 public class TestGroupData {
@@ -39,7 +40,7 @@ public class TestGroupData {
     /**
      * Sets up.
      */
-    @Before
+    @BeforeEach
     public void setUp() {
         oldGroup = new PdpGroup();
         oldGroup.setName(NAME);
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestHealthCheckRestControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestHealthCheckRestControllerV1.java
index e5823bc3..c1058a78 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestHealthCheckRestControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestHealthCheckRestControllerV1.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
@@ -23,12 +23,12 @@
 package org.onap.policy.pap.main.rest;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.when;
 
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.SyncInvoker;
-import org.junit.Test;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.SyncInvoker;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.report.HealthCheckReport;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.springframework.boot.test.mock.mockito.MockBean;
@@ -39,8 +39,8 @@ import org.springframework.test.context.ActiveProfiles;
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-@ActiveProfiles({ "test", "default" })
-public class TestHealthCheckRestControllerV1 extends CommonPapRestServer {
+@ActiveProfiles({"test", "default"})
+class TestHealthCheckRestControllerV1 extends CommonPapRestServer {
 
     private static final String HEALTHCHECK_ENDPOINT = "healthcheck";
 
@@ -48,12 +48,12 @@ public class TestHealthCheckRestControllerV1 extends CommonPapRestServer {
     private PolicyStatusProvider policyStatusProvider;
 
     @Test
-    public void testSwagger() throws Exception {
+    void testSwagger() throws Exception {
         super.testSwagger(HEALTHCHECK_ENDPOINT);
     }
 
     @Test
-    public void testHealthCheckSuccess() throws Exception {
+    void testHealthCheckSuccess() throws Exception {
         final Invocation.Builder invocationBuilder = sendRequest(HEALTHCHECK_ENDPOINT);
         final HealthCheckReport report = invocationBuilder.get(HealthCheckReport.class);
         validateHealthCheckReport(true, 200, ALIVE, report);
@@ -63,7 +63,7 @@ public class TestHealthCheckRestControllerV1 extends CommonPapRestServer {
     }
 
     @Test
-    public void testHealthCheckActivatorFailure() throws Exception {
+    void testHealthCheckActivatorFailure() throws Exception {
 
         markActivatorDead();
 
@@ -75,7 +75,7 @@ public class TestHealthCheckRestControllerV1 extends CommonPapRestServer {
     }
 
     @Test
-    public void testHealthCheckDbConnectionFailure() throws Exception {
+    void testHealthCheckDbConnectionFailure() throws Exception {
         when(policyStatusProvider.getPolicyStatus()).thenThrow(PfModelRuntimeException.class);
         final Invocation.Builder invocationBuilder = sendRequest(HEALTHCHECK_ENDPOINT);
         var response = invocationBuilder.get();
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateControllerV1.java
index c5442fad..7303fd92 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateControllerV1.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,12 +23,12 @@ package org.onap.policy.pap.main.rest;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
 import java.util.List;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PdpGroupUpdateResponse;
 import org.onap.policy.models.pdp.concepts.PdpGroup;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java
index 7666dc2a..afbe5492 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupCreateOrUpdateProvider.java
@@ -1,561 +1,562 @@
-/*
- * ============LICENSE_START=======================================================
- * ONAP PAP
- * ================================================================================
- * Copyright (C) 2019-2021 Nordix Foundation.
- * Modifications Copyright (C) 2021 AT&T Intellectual Property.
- * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pap.main.rest;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.TreeMap;
-import javax.ws.rs.core.Response.Status;
-import org.assertj.core.api.Assertions;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
-import org.onap.policy.common.utils.services.Registry;
-import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.pdp.concepts.PdpGroup;
-import org.onap.policy.models.pdp.concepts.PdpGroups;
-import org.onap.policy.models.pdp.concepts.PdpStateChange;
-import org.onap.policy.models.pdp.concepts.PdpSubGroup;
-import org.onap.policy.models.pdp.concepts.PdpUpdate;
-import org.onap.policy.models.pdp.enums.PdpState;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
-import org.onap.policy.pap.main.PapConstants;
-
-public class TestPdpGroupCreateOrUpdateProvider extends ProviderSuper {
-    private static final String EXPECTED_EXCEPTION = "expected exception";
-
-    private static final String PDP2 = "pdpB";
-    private static final String PDP4 = "pdpD";
-
-    private PdpGroupCreateOrUpdateProvider prov;
-
-
-
-    @AfterClass
-    public static void tearDownAfterClass() {
-        Registry.newRegistry();
-    }
-
-    /**
-     * Configures mocks and objects.
-     *
-     * @throws Exception if an error occurs
-     */
-    @Before
-    @Override
-    public void setUp() throws Exception {
        super.setUp();
-        prov = new PdpGroupCreateOrUpdateProvider();
-        super.initialize(prov);
-        when(toscaService.getPolicyTypeList("typeA", "100.2.3"))
-            .thenReturn(Arrays.asList(loadPolicyType("daoPolicyType.json")));
    }
-
-    @Test
-    public void testCreateOrUpdateGroups() throws Exception {
-        prov.createOrUpdateGroups(loadPdpGroups("emptyGroups.json"));
-
-        // no groups, so no action should have been taken
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testCreateOrUpdateGroups_InvalidRequest() throws Exception {
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(new PdpGroups())).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("is null");
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testCreateOrUpdate_Invalid() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        groups.getGroups().get(0).setPdpGroupState(PdpState.TERMINATED);
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("pdpGroupState");
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testAddGroup() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup group = groups.getGroups().get(0);
-        group.setPdpGroupState(PdpState.PASSIVE);
-
-        prov.createOrUpdateGroups(groups);
-
-        // should not have updated the state
-        assertEquals(PdpState.PASSIVE, group.getPdpGroupState());
-
-        assertSame(group, getGroupCreates().get(0));
-    }
-
-    @Test
-    public void testAddGroup_Invalid() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        groups.getGroups().get(0).setPdpGroupState(PdpState.TERMINATED);
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("pdpGroupState");
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testAddGroup_InvalidSubGroup() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-
-        groups.getGroups().get(0).getPdpSubgroups().get(0).getSupportedPolicyTypes().get(0).setVersion("99.99.99");
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("unknown policy type");
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testValidateGroupOnly_NullState() {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        groups.getGroups().get(0).setPdpGroupState(null);
-        Assertions.assertThatCode(() -> prov.createOrUpdateGroups(groups)).doesNotThrowAnyException();
-    }
-
-    @Test
-    public void testValidateGroupOnly_Active() {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        groups.getGroups().get(0).setPdpGroupState(PdpState.ACTIVE);
-        Assertions.assertThatCode(() -> prov.createOrUpdateGroups(groups)).doesNotThrowAnyException();
-    }
-
-    @Test
-    public void testValidateGroupOnly_Passive() {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        groups.getGroups().get(0).setPdpGroupState(PdpState.PASSIVE);
-        Assertions.assertThatCode(() -> prov.createOrUpdateGroups(groups)).doesNotThrowAnyException();
-    }
-
-    @Test
-    public void testValidateGroupOnly_Invalid() {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        groups.getGroups().get(0).setPdpGroupState(PdpState.TERMINATED);
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("pdpGroupState");
-    }
-
-    @Test
-    public void testUpdateGroup() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-
-        // DB group = new group
-        PdpGroup group = new PdpGroup(groups.getGroups().get(0));
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testUpdateGroup_PropertiesChanged() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-
-        PdpGroup group = new PdpGroup(groups.getGroups().get(0));
-        group.setProperties(new TreeMap<>());
-
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("properties");
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testUpdateGroup_NewDescription() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        group.setDescription("old description");
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        assertGroupUpdateOnly(group);
-
-        assertEquals("my description", group.getDescription());
-        assertEquals(newgrp.toString(), group.toString());
-    }
-
-    @Test
-    public void testUpdateGroup_NewState() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        group.setPdpGroupState(PdpState.TEST);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        assertGroupUpdateOnly(group);
-
-        assertEquals(PdpState.ACTIVE, group.getPdpGroupState());
-        assertEquals(newgrp.toString(), group.toString());
-    }
-
-    @Test
-    public void testUpdateGroup_NewSubGroup() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
-        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        PdpGroup newgrp = groups.getGroups().get(0);
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    @Test
-    public void testUpdateGroup_UpdatedSubGroup() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        // something different in this subgroup
-        group.getPdpSubgroups().get(0).setDesiredInstanceCount(10);
-
-        prov.createOrUpdateGroups(groups);
-
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    @Test
-    public void testUpdateGroup_notifyPdpsDelSubGroups() throws Exception {
-        PdpGroup dbgroup = new PdpGroup(loadPdpGroups("createGroupsDelSub.json").getGroups().get(0));
-        when(pdpGroupService.getPdpGroups(dbgroup.getName())).thenReturn(Arrays.asList(dbgroup));
-
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-
-        prov.createOrUpdateGroups(groups);
-
-        // verify that DB group was updated
-        List<PdpGroup> updates = getGroupUpdates();
-        assertEquals(1, updates.size());
-        dbgroup = updates.get(0);
-
-        PdpGroup newgrp = groups.getGroups().get(0);
-
-        Collections.sort(newgrp.getPdpSubgroups().get(0).getPolicies());
-        Collections.sort(dbgroup.getPdpSubgroups().get(0).getPolicies());
-
-        assertEquals(newgrp.toString(), dbgroup.toString());
-
-        // no deployment notifications
-        checkEmptyNotification();
-
-        // this requires a PDP UPDATE message
-        List<PdpUpdate> pdpUpdates = getUpdateRequests(2);
-        assertEquals(2, pdpUpdates.size());
-
-        PdpUpdate pdpUpdate = pdpUpdates.get(0);
-        assertEquals(PapConstants.PAP_NAME, pdpUpdate.getSource());
-        assertEquals(PDP2, pdpUpdate.getName());
-        assertNull(pdpUpdate.getPdpGroup());
-
-        pdpUpdate = pdpUpdates.get(1);
-        assertEquals(PapConstants.PAP_NAME, pdpUpdate.getSource());
-        assertEquals(PDP4, pdpUpdate.getName());
-        assertNull(pdpUpdate.getPdpGroup());
-
-        // it also requires a PDP STATE-CHANGE message
-        List<PdpStateChange> changes = getStateChangeRequests(2);
-        assertEquals(2, changes.size());
-
-        PdpStateChange change = changes.get(0);
-        assertEquals(PapConstants.PAP_NAME, change.getSource());
-        assertEquals(PDP2, change.getName());
-        assertEquals(PdpState.PASSIVE, change.getState());
-
-        change = changes.get(1);
-        assertEquals(PapConstants.PAP_NAME, change.getSource());
-        assertEquals(PDP4, change.getName());
-        assertEquals(PdpState.PASSIVE, change.getState());
-    }
-
-    @Test
-    public void testUpdateField_Unchanged() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testUpdateField_WasNull() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        group.setDescription(null);
-
-        prov.createOrUpdateGroups(groups);
-
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    @Test
-    public void testUpdateField_NowNull() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        newgrp.setDescription(null);
-
-        prov.createOrUpdateGroups(groups);
-
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    @Test
-    public void testUpdateField_Changed() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        newgrp.setDescription(group.getDescription() + "-changed");
-
-        prov.createOrUpdateGroups(groups);
-
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    @Test
-    public void testAddSubGroup() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
-        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        PdpGroup newgrp = groups.getGroups().get(0);
-
-        PdpSubGroup newsub = newgrp.getPdpSubgroups().get(1);
-        newsub.setCurrentInstanceCount(0);
-        newsub.setPdpInstances(new ArrayList<>(0));
-
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    /**
-     * Tests addSubgroup() when the new subgroup has a wild-card policy type.
-     *
-     * @throws Exception if an error occurs
-     */
-    @Test
-    public void testAddSubGroupWildCardPolicyType() throws Exception {
-        when(toscaService.getFilteredPolicyList(any())).thenReturn(loadPolicies("daoPolicyListWildCard.json"));
-        when(toscaService.getPolicyTypeList("some.*", "2.3.4")).thenReturn(Collections.emptyList());
-
-        PdpGroups groups = loadPdpGroups("createGroupsWildCard.json");
-        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        PdpGroup newgrp = groups.getGroups().get(0);
-
-        PdpSubGroup newsub = newgrp.getPdpSubgroups().get(1);
-        newsub.setCurrentInstanceCount(0);
-        newsub.setPdpInstances(new ArrayList<>(0));
-
-        assertEquals(newgrp.toString(), group.toString());
-    }
-
-    @Test
-    public void testAddSubGroup_ValidationPolicyTypeNotFound() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
-        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        when(toscaService.getPolicyTypeList(any(), any())).thenReturn(Collections.emptyList());
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).hasMessageContaining("unknown policy type");
-    }
-
-    @Test
-    public void testAddSubGroup_ValidationPolicyTypeDaoEx() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
-        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        PfModelException exc = new PfModelException(Status.CONFLICT, EXPECTED_EXCEPTION);
-        when(toscaService.getPolicyTypeList(any(), any())).thenThrow(exc);
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isSameAs(exc);
-    }
-
-    @Test
-    public void testAddSubGroup_ValidateVersionPrefixMatch() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup dbgroup = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(dbgroup.getName())).thenReturn(Arrays.asList(dbgroup));
-
-        when(toscaService.getFilteredPolicyList(any())).thenReturn(loadPolicies("createGroupNewPolicy.json"))
-            .thenReturn(loadPolicies("daoPolicyList.json")).thenReturn(loadPolicies("createGroupNewPolicy.json"));
-
-        PdpGroups reqgroups = loadPdpGroups("createGroupsVersPrefix.json");
-
-        prov.createOrUpdateGroups(reqgroups);
-
-        Collections.sort(newgrp.getPdpSubgroups().get(0).getPolicies());
-        Collections.sort(dbgroup.getPdpSubgroups().get(0).getPolicies());
-
-        assertEquals(newgrp.toString(), dbgroup.toString());
-    }
-
-    @Test
-    public void testUpdateSubGroup_Invalid() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        // change properties
-        newgrp.getPdpSubgroups().get(0).setProperties(new TreeMap<>());
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("properties");
-
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testUpdateSubGroup_SupportedPolicies() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        newgrp.getPdpSubgroups().get(0).getSupportedPolicyTypes()
-            .add(new ToscaConceptIdentifier("typeX.*", "9.8.7"));
-
-        // the group is updated with a new supported policy type in subgroup
-        assertEquals(2, newgrp.getPdpSubgroups().get(0).getSupportedPolicyTypes().size());
-        prov.createOrUpdateGroups(groups);
-        // PdpGroup update doesn't allow supported policy type modifications
-        // during pdp group update, the ones in db is maintained
-        assertEquals(1, newgrp.getPdpSubgroups().get(0).getSupportedPolicyTypes().size());
-        assertEquals(newgrp.toString(), group.toString());
-    }
-
-    @Test
-    public void testUpdateSubGroup_DesiredCount() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        newgrp.getPdpSubgroups().get(0).setDesiredInstanceCount(20);
-
-        prov.createOrUpdateGroups(groups);
-
-        assertEquals(newgrp.toString(), group.toString());
-        assertGroupUpdateOnly(group);
-    }
-
-    @Test
-    public void testUpdateSubGroup_Unchanged() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        prov.createOrUpdateGroups(groups);
-
-        Collections.sort(newgrp.getPdpSubgroups().get(0).getPolicies());
-        Collections.sort(group.getPdpSubgroups().get(0).getPolicies());
-
-        assertEquals(newgrp.toString(), group.toString());
-
-        // no notifications
-        checkEmptyNotification();
-
-        // no group updates
-        assertNoGroupAction();
-    }
-
-    @Test
-    public void testValidateSubGroup_PropertiesMismatch() throws Exception {
-        PdpGroups groups = loadPdpGroups("createGroups.json");
-        PdpGroup newgrp = groups.getGroups().get(0);
-        PdpGroup group = new PdpGroup(newgrp);
-        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
-
-        newgrp.setProperties(new TreeMap<>());
-
-        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
-            .hasMessageContaining("properties");
-
-        assertNoGroupAction();
-    }
-
-    private void assertNoGroupAction() throws Exception {
-        verify(pdpGroupService, never()).createPdpGroups(any());
-        verify(pdpGroupService, never()).updatePdpGroups(any());
-        verify(reqmap, never()).addRequest(any(), any());
-    }
-
-    private void assertGroupUpdateOnly(PdpGroup group) throws Exception {
-        verify(pdpGroupService, never()).createPdpGroups(any());
-        verify(reqmap, never()).addRequest(any(), any());
-
-        List<PdpGroup> updates = getGroupUpdates();
-        assertEquals(Arrays.asList(group), updates);
-    }
-}
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP PAP
+ * ================================================================================
+ * Copyright (C) 2019-2021, 2023 Nordix Foundation.
+ * Modifications Copyright (C) 2021 AT&T Intellectual Property.
+ * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pap.main.rest;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import jakarta.ws.rs.core.Response.Status;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.TreeMap;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.onap.policy.common.utils.services.Registry;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.pdp.concepts.PdpGroup;
+import org.onap.policy.models.pdp.concepts.PdpGroups;
+import org.onap.policy.models.pdp.concepts.PdpStateChange;
+import org.onap.policy.models.pdp.concepts.PdpSubGroup;
+import org.onap.policy.models.pdp.concepts.PdpUpdate;
+import org.onap.policy.models.pdp.enums.PdpState;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+import org.onap.policy.pap.main.PapConstants;
+
+public class TestPdpGroupCreateOrUpdateProvider extends ProviderSuper {
+    private static final String EXPECTED_EXCEPTION = "expected exception";
+
+    private static final String PDP2 = "pdpB";
+    private static final String PDP4 = "pdpD";
+
+    private PdpGroupCreateOrUpdateProvider prov;
+
+
+    @AfterAll
+    public static void tearDownAfterClass() {
+        Registry.newRegistry();
+    }
+
+    /**
+     * Configures mocks and objects.
+     *
+     * @throws Exception if an error occurs
+     */
+    @BeforeEach
+    @Override
+    public void setUp() throws Exception {
+        super.setUp();
+        prov = new PdpGroupCreateOrUpdateProvider();
+        super.initialize(prov);
+        when(toscaService.getPolicyTypeList("typeA", "100.2.3"))
+            .thenReturn(Arrays.asList(loadPolicyType("daoPolicyType.json")));
+    }
+
+    @Test
+    public void testCreateOrUpdateGroups() throws Exception {
+        prov.createOrUpdateGroups(loadPdpGroups("emptyGroups.json"));
+
+        // no groups, so no action should have been taken
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testCreateOrUpdateGroups_InvalidRequest() throws Exception {
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(new PdpGroups())).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("is null");
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testCreateOrUpdate_Invalid() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        groups.getGroups().get(0).setPdpGroupState(PdpState.TERMINATED);
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("pdpGroupState");
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testAddGroup() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup group = groups.getGroups().get(0);
+        group.setPdpGroupState(PdpState.PASSIVE);
+
+        prov.createOrUpdateGroups(groups);
+
+        // should not have updated the state
+        assertEquals(PdpState.PASSIVE, group.getPdpGroupState());
+
+        assertSame(group, getGroupCreates().get(0));
+    }
+
+    @Test
+    public void testAddGroup_Invalid() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        groups.getGroups().get(0).setPdpGroupState(PdpState.TERMINATED);
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("pdpGroupState");
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testAddGroup_InvalidSubGroup() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+
+        groups.getGroups().get(0).getPdpSubgroups().get(0).getSupportedPolicyTypes().get(0).setVersion("99.99.99");
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("unknown policy type");
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testValidateGroupOnly_NullState() {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        groups.getGroups().get(0).setPdpGroupState(null);
+        Assertions.assertThatCode(() -> prov.createOrUpdateGroups(groups)).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testValidateGroupOnly_Active() {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        groups.getGroups().get(0).setPdpGroupState(PdpState.ACTIVE);
+        Assertions.assertThatCode(() -> prov.createOrUpdateGroups(groups)).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testValidateGroupOnly_Passive() {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        groups.getGroups().get(0).setPdpGroupState(PdpState.PASSIVE);
+        Assertions.assertThatCode(() -> prov.createOrUpdateGroups(groups)).doesNotThrowAnyException();
+    }
+
+    @Test
+    public void testValidateGroupOnly_Invalid() {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        groups.getGroups().get(0).setPdpGroupState(PdpState.TERMINATED);
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("pdpGroupState");
+    }
+
+    @Test
+    public void testUpdateGroup() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+
+        // DB group = new group
+        PdpGroup group = new PdpGroup(groups.getGroups().get(0));
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testUpdateGroup_PropertiesChanged() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+
+        PdpGroup group = new PdpGroup(groups.getGroups().get(0));
+        group.setProperties(new TreeMap<>());
+
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("properties");
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testUpdateGroup_NewDescription() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        group.setDescription("old description");
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        assertGroupUpdateOnly(group);
+
+        assertEquals("my description", group.getDescription());
+        assertEquals(newgrp.toString(), group.toString());
+    }
+
+    @Test
+    public void testUpdateGroup_NewState() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        group.setPdpGroupState(PdpState.TEST);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        assertGroupUpdateOnly(group);
+
+        assertEquals(PdpState.ACTIVE, group.getPdpGroupState());
+        assertEquals(newgrp.toString(), group.toString());
+    }
+
+    @Test
+    public void testUpdateGroup_NewSubGroup() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
+        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        PdpGroup newgrp = groups.getGroups().get(0);
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    @Test
+    public void testUpdateGroup_UpdatedSubGroup() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        // something different in this subgroup
+        group.getPdpSubgroups().get(0).setDesiredInstanceCount(10);
+
+        prov.createOrUpdateGroups(groups);
+
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    @Test
+    public void testUpdateGroup_notifyPdpsDelSubGroups() throws Exception {
+        PdpGroup dbgroup = new PdpGroup(loadPdpGroups("createGroupsDelSub.json").getGroups().get(0));
+        when(pdpGroupService.getPdpGroups(dbgroup.getName())).thenReturn(Arrays.asList(dbgroup));
+
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+
+        prov.createOrUpdateGroups(groups);
+
+        // verify that DB group was updated
+        List<PdpGroup> updates = getGroupUpdates();
+        assertEquals(1, updates.size());
+        dbgroup = updates.get(0);
+
+        PdpGroup newgrp = groups.getGroups().get(0);
+
+        Collections.sort(newgrp.getPdpSubgroups().get(0).getPolicies());
+        Collections.sort(dbgroup.getPdpSubgroups().get(0).getPolicies());
+
+        assertEquals(newgrp.toString(), dbgroup.toString());
+
+        // no deployment notifications
+        checkEmptyNotification();
+
+        // this requires a PDP UPDATE message
+        List<PdpUpdate> pdpUpdates = getUpdateRequests(2);
+        assertEquals(2, pdpUpdates.size());
+
+        PdpUpdate pdpUpdate = pdpUpdates.get(0);
+        assertEquals(PapConstants.PAP_NAME, pdpUpdate.getSource());
+        assertEquals(PDP2, pdpUpdate.getName());
+        assertNull(pdpUpdate.getPdpGroup());
+
+        pdpUpdate = pdpUpdates.get(1);
+        assertEquals(PapConstants.PAP_NAME, pdpUpdate.getSource());
+        assertEquals(PDP4, pdpUpdate.getName());
+        assertNull(pdpUpdate.getPdpGroup());
+
+        // it also requires a PDP STATE-CHANGE message
+        List<PdpStateChange> changes = getStateChangeRequests(2);
+        assertEquals(2, changes.size());
+
+        PdpStateChange change = changes.get(0);
+        assertEquals(PapConstants.PAP_NAME, change.getSource());
+        assertEquals(PDP2, change.getName());
+        assertEquals(PdpState.PASSIVE, change.getState());
+
+        change = changes.get(1);
+        assertEquals(PapConstants.PAP_NAME, change.getSource());
+        assertEquals(PDP4, change.getName());
+        assertEquals(PdpState.PASSIVE, change.getState());
+    }
+
+    @Test
+    public void testUpdateField_Unchanged() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testUpdateField_WasNull() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        group.setDescription(null);
+
+        prov.createOrUpdateGroups(groups);
+
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    @Test
+    public void testUpdateField_NowNull() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        newgrp.setDescription(null);
+
+        prov.createOrUpdateGroups(groups);
+
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    @Test
+    public void testUpdateField_Changed() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        newgrp.setDescription(group.getDescription() + "-changed");
+
+        prov.createOrUpdateGroups(groups);
+
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    @Test
+    public void testAddSubGroup() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
+        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        PdpGroup newgrp = groups.getGroups().get(0);
+
+        PdpSubGroup newsub = newgrp.getPdpSubgroups().get(1);
+        newsub.setCurrentInstanceCount(0);
+        newsub.setPdpInstances(new ArrayList<>(0));
+
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    /**
+     * Tests addSubgroup() when the new subgroup has a wild-card policy type.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    public void testAddSubGroupWildCardPolicyType() throws Exception {
+        when(toscaService.getFilteredPolicyList(any())).thenReturn(loadPolicies("daoPolicyListWildCard.json"));
+        when(toscaService.getPolicyTypeList("some.*", "2.3.4")).thenReturn(Collections.emptyList());
+
+        PdpGroups groups = loadPdpGroups("createGroupsWildCard.json");
+        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        PdpGroup newgrp = groups.getGroups().get(0);
+
+        PdpSubGroup newsub = newgrp.getPdpSubgroups().get(1);
+        newsub.setCurrentInstanceCount(0);
+        newsub.setPdpInstances(new ArrayList<>(0));
+
+        assertEquals(newgrp.toString(), group.toString());
+    }
+
+    @Test
+    public void testAddSubGroup_ValidationPolicyTypeNotFound() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
+        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        when(toscaService.getPolicyTypeList(any(), any())).thenReturn(Collections.emptyList());
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).hasMessageContaining("unknown policy type");
+    }
+
+    @Test
+    public void testAddSubGroup_ValidationPolicyTypeDaoEx() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroupsNewSub.json");
+        PdpGroup group = loadPdpGroups("createGroups.json").getGroups().get(0);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        PfModelException exc = new PfModelException(Status.CONFLICT, EXPECTED_EXCEPTION);
+        when(toscaService.getPolicyTypeList(any(), any())).thenThrow(exc);
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isSameAs(exc);
+    }
+
+    @Test
+    public void testAddSubGroup_ValidateVersionPrefixMatch() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup dbgroup = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(dbgroup.getName())).thenReturn(Arrays.asList(dbgroup));
+
+        when(toscaService.getFilteredPolicyList(any())).thenReturn(loadPolicies("createGroupNewPolicy.json"))
+            .thenReturn(loadPolicies("daoPolicyList.json")).thenReturn(loadPolicies("createGroupNewPolicy.json"));
+
+        PdpGroups reqgroups = loadPdpGroups("createGroupsVersPrefix.json");
+
+        prov.createOrUpdateGroups(reqgroups);
+
+        Collections.sort(newgrp.getPdpSubgroups().get(0).getPolicies());
+        Collections.sort(dbgroup.getPdpSubgroups().get(0).getPolicies());
+
+        assertEquals(newgrp.toString(), dbgroup.toString());
+    }
+
+    @Test
+    public void testUpdateSubGroup_Invalid() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        // change properties
+        newgrp.getPdpSubgroups().get(0).setProperties(new TreeMap<>());
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("properties");
+
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testUpdateSubGroup_SupportedPolicies() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        newgrp.getPdpSubgroups().get(0).getSupportedPolicyTypes()
+            .add(new ToscaConceptIdentifier("typeX.*", "9.8.7"));
+
+        // the group is updated with a new supported policy type in subgroup
+        assertEquals(2, newgrp.getPdpSubgroups().get(0).getSupportedPolicyTypes().size());
+        prov.createOrUpdateGroups(groups);
+        // PdpGroup update doesn't allow supported policy type modifications
+        // during pdp group update, the ones in db is maintained
+        assertEquals(1, newgrp.getPdpSubgroups().get(0).getSupportedPolicyTypes().size());
+        assertEquals(newgrp.toString(), group.toString());
+    }
+
+    @Test
+    public void testUpdateSubGroup_DesiredCount() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        newgrp.getPdpSubgroups().get(0).setDesiredInstanceCount(20);
+
+        prov.createOrUpdateGroups(groups);
+
+        assertEquals(newgrp.toString(), group.toString());
+        assertGroupUpdateOnly(group);
+    }
+
+    @Test
+    public void testUpdateSubGroup_Unchanged() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        prov.createOrUpdateGroups(groups);
+
+        Collections.sort(newgrp.getPdpSubgroups().get(0).getPolicies());
+        Collections.sort(group.getPdpSubgroups().get(0).getPolicies());
+
+        assertEquals(newgrp.toString(), group.toString());
+
+        // no notifications
+        checkEmptyNotification();
+
+        // no group updates
+        assertNoGroupAction();
+    }
+
+    @Test
+    public void testValidateSubGroup_PropertiesMismatch() throws Exception {
+        PdpGroups groups = loadPdpGroups("createGroups.json");
+        PdpGroup newgrp = groups.getGroups().get(0);
+        PdpGroup group = new PdpGroup(newgrp);
+        when(pdpGroupService.getPdpGroups(group.getName())).thenReturn(Arrays.asList(group));
+
+        newgrp.setProperties(new TreeMap<>());
+
+        assertThatThrownBy(() -> prov.createOrUpdateGroups(groups)).isInstanceOf(PfModelException.class)
+            .hasMessageContaining("properties");
+
+        assertNoGroupAction();
+    }
+
+    private void assertNoGroupAction() throws Exception {
+        verify(pdpGroupService, never()).createPdpGroups(any());
+        verify(pdpGroupService, never()).updatePdpGroups(any());
+        verify(reqmap, never()).addRequest(any(), any());
+    }
+
+    private void assertGroupUpdateOnly(PdpGroup group) throws Exception {
+        verify(pdpGroupService, never()).createPdpGroups(any());
+        verify(reqmap, never()).addRequest(any(), any());
+
+        List<PdpGroup> updates = getGroupUpdates();
+        assertEquals(Arrays.asList(group), updates);
+    }
+}
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteControllerV1.java
index 21640bf9..07efd55b 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteControllerV1.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,10 +23,10 @@ package org.onap.policy.pap.main.rest;
 
 import static org.junit.Assert.assertEquals;
 
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.SyncInvoker;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.SyncInvoker;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PdpGroupDeleteResponse;
 import org.springframework.test.context.ActiveProfiles;
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java
index 0b6c57e7..be69c4cd 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeleteProvider.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2020-2022 Nordix Foundation.
+ * Modifications Copyright (C) 2020-2023 Nordix Foundation.
  * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -35,12 +35,12 @@ import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.util.List;
 import java.util.Set;
-import javax.ws.rs.core.Response.Status;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
@@ -71,7 +71,7 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
     private ToscaConceptIdentifier ident;
     private Updater updater;
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.newRegistry();
     }
@@ -81,7 +81,7 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     @Override
     public void setUp() throws Exception {
         super.setUp();
@@ -104,15 +104,15 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
         when(session.getGroup(GROUP1_NAME)).thenReturn(group);
 
         assertThatThrownBy(() -> prov.deleteGroup(GROUP1_NAME)).isInstanceOf(PfModelException.class)
-                .hasMessage("group is still ACTIVE");
+            .hasMessage("group is still ACTIVE");
     }
 
     @Test
     public void testDeleteGroup_NotFound() {
         assertThatThrownBy(() -> prov.deleteGroup(GROUP1_NAME)).isInstanceOf(PfModelException.class)
-                .hasMessage("group not found")
-                .extracting(ex -> ((PfModelException) ex).getErrorResponse().getResponseCode())
-                .isEqualTo(Status.NOT_FOUND);
+            .hasMessage("group not found")
+            .extracting(ex -> ((PfModelException) ex).getErrorResponse().getResponseCode())
+            .isEqualTo(Status.NOT_FOUND);
     }
 
     @Test
@@ -183,7 +183,7 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
         when(session.isUnchanged()).thenReturn(true);
 
         assertThatThrownBy(() -> prov.undeploy(optIdent, DEFAULT_USER)).isInstanceOf(PfModelException.class)
-                .hasMessage("policy does not appear in any PDP group: policyA null");
+            .hasMessage("policy does not appear in any PDP group: policyA null");
     }
 
     @Test
@@ -205,7 +205,7 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
 
         // process method catches RuntimeException and re-throws as PfModelException
         assertThatThrownBy(() -> prov.undeploy(fullIdent, null)).isInstanceOf(PfModelException.class)
-                .hasRootCauseMessage(EXPECTED_EXCEPTION);
+            .hasRootCauseMessage(EXPECTED_EXCEPTION);
     }
 
     @Test
@@ -279,7 +279,7 @@ public class TestPdpGroupDeleteProvider extends ProviderSuper {
 
         @Override
         protected void processPolicy(SessionData data, ToscaConceptIdentifierOptVersion desiredPolicy)
-                throws PfModelException {
+            throws PfModelException {
             // do nothing
         }
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java
index 61d204c9..7ff8ad0a 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployControllerV1.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2022 Nordix Foundation.
+ *  Copyright (C) 2019-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -24,13 +24,13 @@ package org.onap.policy.pap.main.rest;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
 import java.util.Arrays;
 import java.util.List;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PdpDeployPolicies;
 import org.onap.policy.models.pap.concepts.PdpGroupDeployResponse;
 import org.onap.policy.models.pdp.concepts.DeploymentGroup;
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java
index b828509b..e9f23c23 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupDeployProvider.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2022 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2021-2023 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -31,15 +31,15 @@ import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
-import javax.ws.rs.core.Response.Status;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
@@ -72,7 +72,7 @@ public class TestPdpGroupDeployProvider extends ProviderSuper {
 
     private PdpGroupDeployProvider prov;
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.newRegistry();
     }
@@ -83,7 +83,7 @@ public class TestPdpGroupDeployProvider extends ProviderSuper {
      * @throws Exception if an error occurs
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
 
         super.setUp();
@@ -92,7 +92,7 @@ public class TestPdpGroupDeployProvider extends ProviderSuper {
 
         when(toscaService.getFilteredPolicyList(any())).thenReturn(loadPolicies("daoPolicyList2.json"));
         when(toscaService.getPolicyTypeList("typeA", "100.2.3"))
-            .thenReturn(Arrays.asList(loadPolicyType("daoPolicyType.json")));
+            .thenReturn(List.of(loadPolicyType("daoPolicyType.json")));
     }
 
     /**
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckControllerV1.java
index f935f923..e0854538 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckControllerV1.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,13 +20,13 @@
 
 package org.onap.policy.pap.main.rest;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.SyncInvoker;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.SyncInvoker;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.Pdps;
 import org.springframework.test.context.ActiveProfiles;
 
@@ -36,17 +36,17 @@ import org.springframework.test.context.ActiveProfiles;
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
 @ActiveProfiles({ "test", "default" })
-public class TestPdpGroupHealthCheckControllerV1 extends CommonPapRestServer {
+class TestPdpGroupHealthCheckControllerV1 extends CommonPapRestServer {
 
     private static final String ENDPOINT = "pdps/healthcheck";
 
     @Test
-    public void testSwagger() throws Exception {
+    void testSwagger() throws Exception {
         super.testSwagger(ENDPOINT);
     }
 
     @Test
-    public void testPdpGroupHealthCheck() throws Exception {
+    void testPdpGroupHealthCheck() throws Exception {
         final String uri = ENDPOINT;
 
         final Invocation.Builder invocationBuilder = sendRequest(uri);
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java
index 0040beae..51429bae 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupHealthCheckProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019 Nordix Foundation.
+ *  Copyright (C) 2019, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2020-2022 Bell Canada. All rights reserved.
  *  Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
@@ -23,15 +23,18 @@
 package org.onap.policy.pap.main.rest;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.when;
 
 import java.io.File;
 import java.util.List;
 import org.apache.commons.lang3.tuple.Pair;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
@@ -52,27 +55,34 @@ import org.springframework.http.HttpStatus;
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
 @RunWith(MockitoJUnitRunner.class)
-public class TestPdpGroupHealthCheckProvider {
+class TestPdpGroupHealthCheckProvider {
 
     @Mock
     private PdpGroupService pdpGroupService;
     private List<PdpGroup> groups;
-    private Coder coder = new StandardCoder();
+    private final Coder coder = new StandardCoder();
+
+    AutoCloseable autoCloseable;
 
     /**
      * Configures DAO and mocks.
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
-
+        autoCloseable = MockitoAnnotations.openMocks(this);
         Registry.newRegistry();
-        groups = loadFile("pdpGroup.json").getGroups();
+        groups = loadFile().getGroups();
 
         when(pdpGroupService.getPdpGroups()).thenReturn(groups);
     }
 
+    @AfterEach
+    public void tearDown() throws Exception {
+        autoCloseable.close();
+    }
+
     @Test
-    public void testFetchPdpGroupHealthStatus() throws Exception {
+    void testFetchPdpGroupHealthStatus() throws Exception {
         final PdpGroupHealthCheckProvider provider = new PdpGroupHealthCheckProvider(pdpGroupService);
         final Pair<HttpStatus, Pdps> pair = provider.fetchPdpGroupHealthStatus();
         assertEquals(HttpStatus.OK, pair.getLeft());
@@ -81,15 +91,21 @@ public class TestPdpGroupHealthCheckProvider {
 
     private void verifyPdps(final List<Pdp> pdpList, final List<PdpGroup> groups) {
         assertEquals(6, pdpList.size());
-        for (final PdpGroup group : groups) {
-            for (final PdpSubGroup subGroup : group.getPdpSubgroups()) {
-                pdpList.containsAll(subGroup.getPdpInstances());
+        boolean containsAll = false;
+
+        do {
+            for (final PdpGroup group : groups) {
+                for (final PdpSubGroup subGroup : group.getPdpSubgroups()) {
+                    containsAll = pdpList.containsAll(subGroup.getPdpInstances());
+                }
             }
-        }
+        } while (!containsAll);
+
+        assertTrue(containsAll);
     }
 
-    private PdpGroups loadFile(final String fileName) {
-        final File propFile = new File(ResourceUtils.getFilePath4Resource("rest/" + fileName));
+    private PdpGroups loadFile() {
+        final File propFile = new File(ResourceUtils.getFilePath4Resource("rest/" + "pdpGroup.json"));
         try {
             return coder.decode(propFile, PdpGroups.class);
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java
index 30cd5944..11f3c5d6 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupQueryControllerV1.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,10 +23,10 @@ package org.onap.policy.pap.main.rest;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.SyncInvoker;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.SyncInvoker;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
 import org.springframework.test.context.ActiveProfiles;
 
@@ -35,7 +35,7 @@ import org.springframework.test.context.ActiveProfiles;
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-@ActiveProfiles({ "test", "default" })
+@ActiveProfiles({"test", "default"})
 public class TestPdpGroupQueryControllerV1 extends CommonPapRestServer {
 
     private static final String GROUP_ENDPOINT = "pdps";
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java
index a92731ab..db0da86d 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPdpGroupStateChangeControllerV1.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,10 +23,10 @@ package org.onap.policy.pap.main.rest;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
 import org.springframework.test.context.ActiveProfiles;
 
@@ -35,7 +35,7 @@ import org.springframework.test.context.ActiveProfiles;
  *
  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
  */
-@ActiveProfiles({ "test", "default" })
+@ActiveProfiles({"test", "default"})
 public class TestPdpGroupStateChangeControllerV1 extends CommonPapRestServer {
 
     private static final String GROUP_ENDPOINT = "pdps/groups";
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditControllerV1.java
index 3764e211..b8f9c988 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditControllerV1.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2021 Bell Canada. All rights reserved.
- * Modifications Copyright (C) 2022 Nordix Foundation.
+ * Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,15 +21,15 @@ package org.onap.policy.pap.main.rest;
 
 import static org.junit.Assert.assertEquals;
 
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.springframework.test.context.ActiveProfiles;
 
 /**
  * Note: this tests failure cases; success cases are tested by tests in the "e2e" package.
  */
-@ActiveProfiles({ "test", "default" })
+@ActiveProfiles({"test", "default"})
 public class TestPolicyAuditControllerV1 extends CommonPapRestServer {
 
     private static final String POLICY_AUDIT_ENDPOINT = "policies/audit";
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditManager.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditManager.java
index 4f844fbc..c9a5beab 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditManager.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyAuditManager.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation.
+ *  Copyright (C) 2021, 2023 Nordix Foundation.
  *  Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,13 +23,13 @@ package org.onap.policy.pap.main.rest;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatCode;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doThrow;
 
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PolicyAudit.AuditAction;
@@ -50,19 +50,19 @@ public class TestPolicyAuditManager extends ProviderSuper {
      * Setup the test variables.
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
         auditManager = new PolicyAuditManager(policyAuditService);
     }
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.newRegistry();
     }
 
     @Test
-    public void testDeployments() {
+    void testDeployments() {
         auditManager.addDeploymentAudit(MY_POLICY, GROUP_A, PDP_TYPE, USER);
         auditManager.addUndeploymentAudit(MY_POLICY, GROUP_B, PDP_TYPE, USER);
 
@@ -76,15 +76,16 @@ public class TestPolicyAuditManager extends ProviderSuper {
     }
 
     @Test
-    public void testSaveRecordsToDb_EmptyList() {
-        assertThat(auditManager.getAuditRecords()).isEmpty();;
+    void testSaveRecordsToDb_EmptyList() {
+        assertThat(auditManager.getAuditRecords()).isEmpty();
+        ;
         auditManager.saveRecordsToDb();
 
         assertThatCode(() -> auditManager.saveRecordsToDb()).doesNotThrowAnyException();
     }
 
     @Test
-    public void testSaveRecordsToDb_Exception() {
+    void testSaveRecordsToDb_Exception() {
         auditManager.addDeploymentAudit(MY_POLICY, GROUP_A, PDP_TYPE, USER);
 
         assertThat(auditManager.getAuditRecords()).hasSize(1);
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java
index ff91ebe9..5637da28 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckControllerV1.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019-2020, 2022 Nordix Foundation.
+ *  Copyright (C) 2019-2020, 2022-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2020-2021 AT&T Inc.
  *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,16 +22,16 @@
 
 package org.onap.policy.pap.main.rest;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.GenericType;
+import jakarta.ws.rs.core.Response;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.GenericType;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.parameters.RestClientParameters;
 import org.onap.policy.pap.main.parameters.PapParameterGroup;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java
index 3db1ed83..0999c51f 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyComponentsHealthCheckProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2020, 2022 Nordix Foundation.
+ *  Copyright (C) 2020, 2022-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2020-2021 AT&T Corp.
  *  Modifications Copyright (C) 2020-2022 Bell Canada. All rights reserved.
  * ================================================================================
@@ -22,23 +22,24 @@
 
 package org.onap.policy.pap.main.rest;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.when;
 
+import jakarta.ws.rs.core.Response;
 import java.io.File;
 import java.net.HttpURLConnection;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import javax.ws.rs.core.Response;
 import org.apache.commons.lang3.tuple.Pair;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.common.endpoints.http.client.HttpClient;
 import org.onap.policy.common.endpoints.http.client.HttpClientFactory;
@@ -62,7 +63,7 @@ import org.springframework.http.HttpStatus;
 import org.springframework.test.util.ReflectionTestUtils;
 
 @RunWith(MockitoJUnitRunner.class)
-public class TestPolicyComponentsHealthCheckProvider {
+class TestPolicyComponentsHealthCheckProvider {
 
     private static final String CLIENT_1 = "client1";
     private static final String PDP_GROUP_DATA_FILE = "rest/pdpGroup.json";
@@ -102,13 +103,16 @@ public class TestPolicyComponentsHealthCheckProvider {
 
     private PolicyComponentsHealthCheckProvider provider;
 
+    AutoCloseable autoCloseable;
+
     /**
      * Configures mocks and objects.
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
+        autoCloseable = MockitoAnnotations.openMocks(this);
         groups = loadPdpGroupsFromFile().getGroups();
         when(pdpGroupService.getPdpGroups()).thenReturn(groups);
 
@@ -155,26 +159,27 @@ public class TestPolicyComponentsHealthCheckProvider {
     /**
      * Tear down.
      */
-    @After
-    public void tearDown() {
+    @AfterEach
+    public void tearDown() throws Exception {
         if (savedPapParameterGroup != null) {
             ParameterService.register(savedPapParameterGroup, true);
         } else {
             ParameterService.deregister(PAP_GROUP_PARAMS_NAME);
         }
         provider.cleanup();
+        autoCloseable.close();
     }
 
 
     @Test
-    public void testFetchPolicyComponentsHealthStatus_allHealthy() {
+    void testFetchPolicyComponentsHealthStatus_allHealthy() {
         Pair<HttpStatus, Map<String, Object>> ret = provider.fetchPolicyComponentsHealthStatus();
         assertEquals(HttpStatus.OK, ret.getLeft());
         assertTrue((Boolean) ret.getRight().get(HEALTHY));
     }
 
     @Test
-    public void testFetchPolicyComponentsHealthStatus_unhealthyClient() {
+    void testFetchPolicyComponentsHealthStatus_unhealthyClient() {
         when(response1.getStatus()).thenReturn(HttpURLConnection.HTTP_INTERNAL_ERROR);
         when(response1.readEntity(HealthCheckReport.class))
             .thenReturn(createReport(HttpURLConnection.HTTP_INTERNAL_ERROR, false));
@@ -207,7 +212,7 @@ public class TestPolicyComponentsHealthCheckProvider {
 
     @SuppressWarnings("unchecked")
     @Test
-    public void testFetchPolicyComponentsHealthStatus_unhealthyPdps() {
+    void testFetchPolicyComponentsHealthStatus_unhealthyPdps() {
         // Get a PDP and set it unhealthy
         groups.get(0).getPdpSubgroups().get(0).getPdpInstances().get(0).setHealthy(PdpHealthStatus.NOT_HEALTHY);
         Map<String, Object> result = callFetchPolicyComponentsHealthStatus();
@@ -217,7 +222,7 @@ public class TestPolicyComponentsHealthCheckProvider {
     }
 
     @Test
-    public void testFetchPolicyComponentsHealthStatus_PdpDown() {
+    void testFetchPolicyComponentsHealthStatus_PdpDown() {
         // Set currentInstanceCount as 0 to simulate PDP down
         groups.get(0).getPdpSubgroups().get(0).setCurrentInstanceCount(0);
         Map<String, Object> result = callFetchPolicyComponentsHealthStatus();
@@ -225,7 +230,7 @@ public class TestPolicyComponentsHealthCheckProvider {
     }
 
     @Test
-    public void testFetchPolicyComponentsHealthStatus_unhealthyPap() {
+    void testFetchPolicyComponentsHealthStatus_unhealthyPap() {
         when(papActivator.isAlive()).thenReturn(false);
         Map<String, Object> result = callFetchPolicyComponentsHealthStatus();
         assertFalse((Boolean) result.get(HEALTHY));
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java
index 41cfd39d..114539dd 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusControllerV1.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2021-2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2021-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019-2020 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
  * ================================================================================
@@ -23,12 +23,12 @@
 package org.onap.policy.pap.main.rest;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.SyncInvoker;
-import javax.ws.rs.core.Response;
-import org.junit.Test;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.client.SyncInvoker;
+import jakarta.ws.rs.core.Response;
+import org.junit.jupiter.api.Test;
 import org.springframework.test.context.ActiveProfiles;
 
 /**
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
index 1f2c08ed..c3ed77de 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyStatusProvider.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,21 +23,20 @@
 package org.onap.policy.pap.main.rest;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.when;
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
+import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
 import lombok.NonNull;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.services.Registry;
-import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pap.concepts.PolicyStatus;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus.PdpPolicyStatusBuilder;
@@ -59,7 +58,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
 
     private PolicyStatusProvider prov;
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.newRegistry();
     }
@@ -70,7 +69,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
      * @throws Exception if an error occurs
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
 
         super.setUp();
@@ -79,12 +78,12 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetStatus_testAccumulate() throws PfModelException {
+    public void testGetStatus_testAccumulate() {
 
         buildPolicyStatusToReturn1();
 
         List<PolicyStatus> result = new ArrayList<>(prov.getStatus());
-        Collections.sort(result, (rec1, rec2) -> rec1.getPolicy().compareTo(rec2.getPolicy()));
+        result.sort(Comparator.comparing(PolicyStatus::getPolicy));
 
         assertThat(result).hasSize(3);
 
@@ -113,7 +112,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetStatusToscaConceptIdentifierOptVersion() throws PfModelException {
+    public void testGetStatusToscaConceptIdentifierOptVersion() {
 
         ToscaConceptIdentifierOptVersion optIdent = buildPolicyStatusToReturn2();
 
@@ -131,12 +130,12 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetPolicyStatus() throws PfModelException {
+    public void testGetPolicyStatus() {
 
         buildPolicyStatusToReturn1();
 
         List<PdpPolicyStatus> result = new ArrayList<>(prov.getPolicyStatus());
-        Collections.sort(result, (rec1, rec2) -> rec1.getPolicy().compareTo(rec2.getPolicy()));
+        result.sort(Comparator.comparing(PdpPolicyStatus::getPolicy));
 
         assertThat(result).hasSize(5);
         Iterator<PdpPolicyStatus> iter = result.iterator();
@@ -170,7 +169,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetPolicyStatusByGroupAndPolicyIdVersion() throws PfModelException {
+    public void testGetPolicyStatusByGroupAndPolicyIdVersion() {
 
         ToscaConceptIdentifierOptVersion optIdent = buildPolicyStatusToReturn2();
 
@@ -199,7 +198,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetPolicyStatusByRegexNoMatch() throws PfModelException {
+    public void testGetPolicyStatusByRegexNoMatch() {
         buildPolicyStatusToReturn1();
         final String pattern = "Hello";
 
@@ -208,7 +207,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetPolicyStatusOneMatch() throws PfModelException {
+    public void testGetPolicyStatusOneMatch() {
         buildPolicyStatusToReturn1();
         final String pattern = "My(We|Po)[li]{0,3}c.A";
 
@@ -220,7 +219,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
     }
 
     @Test
-    public void testGetPolicyStatusAllMatch() throws PfModelException {
+    public void testGetPolicyStatusAllMatch() {
         buildPolicyStatusToReturn1();
         final String pattern = "My(We|Po)[li]{0,3}c.{2}0*";
 
@@ -229,7 +228,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
         assertThat(actual).hasSize(3);
     }
 
-    private void buildPolicyStatusToReturn1() throws PfModelException {
+    private void buildPolicyStatusToReturn1() {
 
         PdpPolicyStatusBuilder builder = PdpPolicyStatus.builder().pdpGroup(MY_GROUP).pdpType(MY_PDP_TYPE)
             .policyType(POLICY_TYPE).state(State.WAITING);
@@ -250,7 +249,7 @@ public class TestPolicyStatusProvider extends ProviderSuper {
         // @formatter:on
     }
 
-    private ToscaConceptIdentifierOptVersion buildPolicyStatusToReturn2() throws PfModelException {
+    private ToscaConceptIdentifierOptVersion buildPolicyStatusToReturn2() {
         PdpPolicyStatusBuilder builder =
             PdpPolicyStatus.builder().pdpGroup(MY_GROUP).pdpType(MY_PDP_TYPE).policy(POLICY_A).policyType(POLICY_TYPE);
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyUndeployerImpl.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyUndeployerImpl.java
index 9ae64452..f172222d 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyUndeployerImpl.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestPolicyUndeployerImpl.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +21,8 @@
 
 package org.onap.policy.pap.main.rest;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
@@ -32,9 +33,9 @@ import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
@@ -66,7 +67,7 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
     private MyProvider prov;
 
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.newRegistry();
     }
@@ -77,7 +78,7 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
      * @throws Exception if an error occurs
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
 
         super.setUp();
@@ -96,15 +97,15 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
         Pdp pdp1 = new Pdp();
         pdp1.setInstanceId(PDP1);
 
-        subgroup.setPdpInstances(Arrays.asList(pdp1));
+        subgroup.setPdpInstances(List.of(pdp1));
 
         // this subgroup should never be touched
         PdpSubGroup subgroup0 = new PdpSubGroup();
         subgroup0.setPdpType(MY_SUBGROUP0);
-        subgroup0.setPolicies(Collections.unmodifiableList(Arrays.asList(ident1, ident2, ident3, ident4)));
-        subgroup.setPdpInstances(Arrays.asList(pdp1));
+        subgroup0.setPolicies(List.of(ident1, ident2, ident3, ident4));
+        subgroup.setPdpInstances(List.of(pdp1));
 
-        group.setPdpSubgroups(Arrays.asList(subgroup0, subgroup));
+        group.setPdpSubgroups(List.of(subgroup0, subgroup));
 
         when(session.getGroup(MY_GROUP)).thenReturn(group);
         when(session.getPolicy(any())).thenReturn(policy1);
@@ -114,15 +115,15 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
 
     @Test
     public void testUndeployPolicies() throws PfModelException {
-        subgroup.setPolicies(new LinkedList<>(Arrays.asList(ident1, ident2, ident3, ident4)));
+        subgroup.setPolicies(new LinkedList<>(List.of(ident1, ident2, ident3, ident4)));
 
-        prov.undeploy(MY_GROUP, MY_SUBGROUP, Arrays.asList(ident1, ident2));
+        prov.undeploy(MY_GROUP, MY_SUBGROUP, List.of(ident1, ident2));
 
         // group should have been updated
         verify(session).update(group);
 
         // subgroup should only have remaining policies
-        assertEquals(Arrays.asList(ident3, ident4).toString(), subgroup.getPolicies().toString());
+        assertEquals(List.of(ident3, ident4).toString(), subgroup.getPolicies().toString());
 
         // should have generated PDP-UPDATE for the PDP
         verify(session).addUpdate(any());
@@ -133,10 +134,10 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
      */
     @Test
     public void testUndeployPoliciesUnchanged() throws PfModelException {
-        List<ToscaConceptIdentifier> origlist = Arrays.asList(ident3, ident4);
+        List<ToscaConceptIdentifier> origlist = List.of(ident3, ident4);
         subgroup.setPolicies(new LinkedList<>(origlist));
 
-        prov.undeploy(MY_GROUP, MY_SUBGROUP, Arrays.asList(ident1, ident2));
+        prov.undeploy(MY_GROUP, MY_SUBGROUP, List.of(ident1, ident2));
 
         // group NOT should have been updated
         verify(session, never()).update(group);
@@ -154,11 +155,11 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
     @Test
     public void testUndeployPoliciesGroupNotFound() throws PfModelException {
         // force exception to be thrown if the list is changed
-        subgroup.setPolicies(Collections.unmodifiableList(Arrays.asList(ident1, ident2, ident3, ident4)));
+        subgroup.setPolicies(Collections.unmodifiableList(List.of(ident1, ident2, ident3, ident4)));
 
         when(session.getGroup(any())).thenReturn(null);
 
-        prov.undeploy(MY_GROUP, MY_SUBGROUP, Arrays.asList(ident1, ident2));
+        prov.undeploy(MY_GROUP, MY_SUBGROUP, List.of(ident1, ident2));
 
         // group should have been updated
         verify(session, never()).update(group);
@@ -173,11 +174,11 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
     @Test
     public void testUndeployPoliciesSubGroupNotFound() throws PfModelException {
         // force exception to be thrown if the list is changed
-        subgroup.setPolicies(Collections.unmodifiableList(Arrays.asList(ident1, ident2, ident3, ident4)));
+        subgroup.setPolicies(Collections.unmodifiableList(List.of(ident1, ident2, ident3, ident4)));
 
         subgroup.setPdpType(MY_SUBGROUP + "X");
 
-        prov.undeploy(MY_GROUP, MY_SUBGROUP, Arrays.asList(ident1, ident2));
+        prov.undeploy(MY_GROUP, MY_SUBGROUP, List.of(ident1, ident2));
 
         // group should have been updated
         verify(session, never()).update(group);
@@ -186,9 +187,9 @@ public class TestPolicyUndeployerImpl extends ProviderSuper {
         verify(session, never()).addUpdate(any());
     }
 
-    @Test(expected = UnsupportedOperationException.class)
+    @Test
     public void testMakeUpdater() {
-        prov.makeUpdater(null, null, null);
+        assertThrows(UnsupportedOperationException.class, () -> prov.makeUpdater(null, null, null));
     }
 
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java
index d969c565..058357f2 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestProviderBase.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021,2023 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,23 +23,22 @@
 package org.onap.policy.pap.main.rest;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import java.util.Arrays;
+import jakarta.ws.rs.core.Response.Status;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Queue;
-import javax.ws.rs.core.Response.Status;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.services.Registry;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
@@ -71,7 +70,7 @@ public class TestProviderBase extends ProviderSuper {
 
     private MyProvider prov;
 
-    @AfterClass
+    @AfterAll
     public static void tearDownAfterClass() {
         Registry.newRegistry();
     }
@@ -82,7 +81,7 @@ public class TestProviderBase extends ProviderSuper {
      * @throws Exception if an error occurs
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
         prov = new MyProvider();
@@ -319,8 +318,8 @@ public class TestProviderBase extends ProviderSuper {
 
     private static class MyProvider extends ProviderBase {
         /**
-         * Used to determine whether or not to make an update when
-         * {@link #makeUpdater(ToscaPolicy)} is called. The updater function removes an
+         * Used to determine whether to make an update when
+         * makeUpdater() is called. The updater function removes an
          * item from this queue each time it is invoked.
          */
         private final Queue<Boolean> shouldUpdate = new LinkedList<>();
@@ -339,7 +338,7 @@ public class TestProviderBase extends ProviderSuper {
         }
 
         public void add(Boolean... update) {
-            shouldUpdate.addAll(Arrays.asList(update));
+            shouldUpdate.addAll(List.of(update));
         }
 
         @Override
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/TestSessionData.java b/main/src/test/java/org/onap/policy/pap/main/rest/TestSessionData.java
index ec79c03a..47e9d42a 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/TestSessionData.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/TestSessionData.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -26,11 +26,11 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
 import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.Mockito.mock;
@@ -39,17 +39,16 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import jakarta.ws.rs.core.Response.Status;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
-import javax.ws.rs.core.Response.Status;
 import org.apache.commons.lang3.tuple.Pair;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.pap.concepts.PolicyNotification;
@@ -90,7 +89,7 @@ public class TestSessionData extends ProviderSuper {
      * @throws Exception if an error occurs
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
 
@@ -106,7 +105,7 @@ public class TestSessionData extends ProviderSuper {
     @Test
     public void testGetPolicyType() throws Exception {
         ToscaPolicyType policy1 = makePolicyType(POLICY_TYPE, POLICY_TYPE_VERSION);
-        when(toscaService.getPolicyTypeList(POLICY_TYPE, POLICY_TYPE_VERSION)).thenReturn(Arrays.asList(policy1));
+        when(toscaService.getPolicyTypeList(POLICY_TYPE, POLICY_TYPE_VERSION)).thenReturn(List.of(policy1));
 
         assertSame(policy1, session.getPolicyType(type));
 
@@ -132,7 +131,7 @@ public class TestSessionData extends ProviderSuper {
     @Test
     public void testGetPolicy_NullVersion() throws Exception {
         ToscaPolicy policy1 = makePolicy(POLICY_NAME, POLICY_VERSION);
-        when(toscaService.getFilteredPolicyList(any())).thenReturn(Arrays.asList(policy1));
+        when(toscaService.getFilteredPolicyList(any())).thenReturn(List.of(policy1));
 
         ident.setVersion(null);
         assertSame(policy1, session.getPolicy(ident));
@@ -140,7 +139,7 @@ public class TestSessionData extends ProviderSuper {
         ToscaTypedEntityFilter<ToscaPolicy> filter = getPolicyFilter();
         assertEquals(POLICY_NAME, filter.getName());
         assertEquals(ToscaTypedEntityFilter.LATEST_VERSION, filter.getVersion());
-        assertEquals(null, filter.getVersionPrefix());
+        assertNull(filter.getVersionPrefix());
 
         // retrieve a second time using full version - should use cache
         assertSame(policy1, session.getPolicy(new ToscaConceptIdentifierOptVersion(policy1.getIdentifier())));
@@ -150,7 +149,7 @@ public class TestSessionData extends ProviderSuper {
     @Test
     public void testGetPolicy_MajorVersion() throws Exception {
         ToscaPolicy policy1 = makePolicy(POLICY_NAME, POLICY_VERSION);
-        when(toscaService.getFilteredPolicyList(any())).thenReturn(Arrays.asList(policy1));
+        when(toscaService.getFilteredPolicyList(any())).thenReturn(List.of(policy1));
 
         ident.setVersion("1");
         assertSame(policy1, session.getPolicy(ident));
@@ -168,7 +167,7 @@ public class TestSessionData extends ProviderSuper {
     @Test
     public void testGetPolicy_MajorMinorVersion() throws Exception {
         ToscaPolicy policy1 = makePolicy(POLICY_NAME, POLICY_VERSION);
-        when(toscaService.getFilteredPolicyList(any())).thenReturn(Arrays.asList(policy1));
+        when(toscaService.getFilteredPolicyList(any())).thenReturn(List.of(policy1));
 
         ident.setVersion(POLICY_VERSION);
         assertSame(policy1, session.getPolicy(ident));
@@ -176,7 +175,7 @@ public class TestSessionData extends ProviderSuper {
         ToscaTypedEntityFilter<ToscaPolicy> filter = getPolicyFilter();
         assertEquals(POLICY_NAME, filter.getName());
         assertEquals(POLICY_VERSION, filter.getVersion());
-        assertEquals(null, filter.getVersionPrefix());
+        assertNull(filter.getVersionPrefix());
 
         // retrieve a second time using full version - should use cache
         assertSame(policy1, session.getPolicy(new ToscaConceptIdentifierOptVersion(policy1.getIdentifier())));
@@ -262,10 +261,10 @@ public class TestSessionData extends ProviderSuper {
         assertSame(change3, pair.getRight());
 
         // verify individual lists
-        List<PdpUpdate> updates = Arrays.asList(update, update2);
+        List<PdpUpdate> updates = List.of(update, update2);
         assertEquals(sort(updates, this::compare), sort(session.getPdpUpdates(), this::compare));
 
-        List<PdpStateChange> changes = Arrays.asList(change, change3);
+        List<PdpStateChange> changes = List.of(change, change3);
         assertEquals(sort(changes, this::compare), sort(session.getPdpStateChanges(), this::compare));
     }
 
@@ -290,14 +289,14 @@ public class TestSessionData extends ProviderSuper {
         session.addUpdate(update3);
 
         List<PdpUpdate> lst = sort(getUpdateRequests(), this::compare);
-        assertEquals(Arrays.asList(update1, update2, update3).toString(), lst.toString());
+        assertEquals(List.of(update1, update2, update3).toString(), lst.toString());
 
         // overwrite one
         update2 = makeUpdate(PDP2);
         session.addUpdate(update2);
 
         lst = sort(getUpdateRequests(), this::compare);
-        assertEquals(Arrays.asList(update1, update2, update3).toString(), lst.toString());
+        assertEquals(List.of(update1, update2, update3).toString(), lst.toString());
     }
 
     @Test
@@ -313,14 +312,14 @@ public class TestSessionData extends ProviderSuper {
         session.addStateChange(change3);
 
         List<PdpStateChange> lst = sort(getStateChangeRequests(), this::compare);
-        assertEquals(Arrays.asList(change1, change2, change3).toString(), lst.toString());
+        assertEquals(List.of(change1, change2, change3).toString(), lst.toString());
 
         // overwrite one
         change2 = makeStateChange(PDP2);
         session.addStateChange(change2);
 
         lst = sort(getStateChangeRequests(), this::compare);
-        assertEquals(Arrays.asList(change1, change2, change3).toString(), lst.toString());
+        assertEquals(List.of(change1, change2, change3).toString(), lst.toString());
     }
 
     private ToscaPolicyType makePolicyType(String name, String version) {
@@ -365,13 +364,13 @@ public class TestSessionData extends ProviderSuper {
         assertTrue(session.isUnchanged());
 
         // force the groups into the cache
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group1, group2));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group1, group2));
         session.getActivePdpGroupsByPolicyType(type);
 
         /*
          * try group 1
          */
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group1));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group1));
         PdpGroup newgrp = new PdpGroup(group1);
         session.update(newgrp);
         assertFalse(session.isUnchanged());
@@ -384,7 +383,7 @@ public class TestSessionData extends ProviderSuper {
         /*
          * try group 2
          */
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group2));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group2));
         newgrp = new PdpGroup(group2);
         session.update(newgrp);
         assertFalse(session.isUnchanged());
@@ -397,7 +396,7 @@ public class TestSessionData extends ProviderSuper {
 
     @Test
     public void testUpdate_NotInCache() throws Exception {
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group1));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group1));
 
         assertThatIllegalStateException().isThrownBy(() -> session.update(new PdpGroup(group1)))
                 .withMessage("group not cached: groupA");
@@ -405,7 +404,7 @@ public class TestSessionData extends ProviderSuper {
 
     @Test
     public void testGetGroup() throws Exception {
-        when(pdpGroupService.getPdpGroups(GROUP_NAME)).thenReturn(Arrays.asList(group1));
+        when(pdpGroupService.getPdpGroups(GROUP_NAME)).thenReturn(List.of(group1));
 
         assertSame(group1, session.getGroup(GROUP_NAME));
         verify(pdpGroupService).getPdpGroups(any(String.class));
@@ -431,14 +430,14 @@ public class TestSessionData extends ProviderSuper {
         verify(pdpGroupService, times(2)).getPdpGroups(GROUP_NAME);
 
         // find it this time
-        when(pdpGroupService.getPdpGroups(GROUP_NAME)).thenReturn(Arrays.asList(group1));
+        when(pdpGroupService.getPdpGroups(GROUP_NAME)).thenReturn(List.of(group1));
         assertSame(group1, session.getGroup(GROUP_NAME));
         verify(pdpGroupService, times(3)).getPdpGroups(GROUP_NAME);
     }
 
     @Test
     public void testGetActivePdpGroupsByPolicyType() throws Exception {
-        List<PdpGroup> groups = Arrays.asList(group1, group2);
+        List<PdpGroup> groups = List.of(group1, group2);
         when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(groups);
 
         // repeat
@@ -452,7 +451,7 @@ public class TestSessionData extends ProviderSuper {
 
     @Test
     public void testAddGroup() throws Exception {
-        List<PdpGroup> groups = Arrays.asList(group1, group2);
+        List<PdpGroup> groups = List.of(group1, group2);
         when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(groups);
 
         // query by each type
@@ -472,7 +471,7 @@ public class TestSessionData extends ProviderSuper {
     public void testUpdateDb() throws Exception {
         // force the groups into the cache
         PdpGroup group3 = loadGroup("group3.json");
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group1, group2, group3));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group1, group2, group3));
         session.getActivePdpGroupsByPolicyType(type);
 
         // create groups 4 & 5
@@ -483,7 +482,7 @@ public class TestSessionData extends ProviderSuper {
         session.create(group5);
 
         // update group 1
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group1));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group1));
         PdpGroup newgrp1 = new PdpGroup(group1);
         session.update(newgrp1);
 
@@ -492,12 +491,12 @@ public class TestSessionData extends ProviderSuper {
         session.update(newgrp1);
 
         // update group 3
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group3));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group3));
         PdpGroup newgrp3 = new PdpGroup(group3);
         session.update(newgrp3);
 
         // update group 5
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group5));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group5));
         PdpGroup newgrp5 = new PdpGroup(group5);
         session.update(newgrp5);
 
@@ -522,7 +521,7 @@ public class TestSessionData extends ProviderSuper {
     @Test
     public void testUpdateDb_Empty() throws Exception {
         // force data into the cache
-        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(Arrays.asList(group1, group2));
+        when(pdpGroupService.getFilteredPdpGroups(any())).thenReturn(List.of(group1, group2));
         session.getActivePdpGroupsByPolicyType(type);
 
         PolicyNotification notif = new PolicyNotification();
@@ -566,10 +565,10 @@ public class TestSessionData extends ProviderSuper {
         policy.setType(POLICY_TYPE);
         policy.setTypeVersion(POLICY_TYPE_VERSION);
 
-        when(toscaService.getFilteredPolicyList(any())).thenReturn(Arrays.asList(policy));
+        when(toscaService.getFilteredPolicyList(any())).thenReturn(List.of(policy));
 
         ToscaConceptIdentifier policyId = new ToscaConceptIdentifier(POLICY_NAME, POLICY_VERSION);
-        List<String> pdps = Arrays.asList(PDP1, PDP2);
+        List<String> pdps = List.of(PDP1, PDP2);
 
         ToscaPolicy testPolicy = session.getPolicy(new ToscaConceptIdentifierOptVersion(policyId));
 
@@ -626,7 +625,7 @@ public class TestSessionData extends ProviderSuper {
 
     private <T> List<T> sort(Collection<T> collection, Comparator<T> comparator) {
         List<T> lst = new ArrayList<>(collection);
-        Collections.sort(lst, comparator);
+        lst.sort(comparator);
 
         return lst;
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
index 2b339f82..1aa40a28 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndBase.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2019-2020, 2022 Nordix Foundation.
+ * Modifications Copyright (C) 2019-2020, 2022-2023 Nordix Foundation.
  * Modifications Copyright (C) 2021-2023 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -30,7 +30,7 @@ import java.io.IOException;
 import java.util.List;
 import java.util.Optional;
 import lombok.Getter;
-import org.junit.After;
+import org.junit.jupiter.api.AfterEach;
 import org.onap.policy.common.parameters.ValidationResult;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
@@ -56,7 +56,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.ActiveProfiles;
 import org.yaml.snakeyaml.Yaml;
 
-@ActiveProfiles({ "test-e2e", "default" })
+@ActiveProfiles({"test-e2e", "default"})
 public abstract class End2EndBase extends CommonPapRestServer {
     private static final Logger logger = LoggerFactory.getLogger(End2EndBase.class);
 
@@ -99,7 +99,7 @@ public abstract class End2EndBase extends CommonPapRestServer {
      * Tears down.
      */
     @Override
-    @After
+    @AfterEach
     public void tearDown() {
         if (context != null) {
             try {
@@ -194,7 +194,7 @@ public abstract class End2EndBase extends CommonPapRestServer {
      * Loads an object from a YAML file.
      *
      * @param fileName name of the file from which to load
-     * @param clazz the class of the object to be loaded
+     * @param clazz    the class of the object to be loaded
      * @return the object that was loaded from the file
      */
     protected static <T> T loadYamlFile(final String fileName, final Class<T> clazz) {
@@ -223,7 +223,7 @@ public abstract class End2EndBase extends CommonPapRestServer {
      * Loads an object from a JSON file.
      *
      * @param fileName name of the file from which to load
-     * @param clazz the class of the object to be loaded
+     * @param clazz    the class of the object to be loaded
      * @return the object that was loaded from the file
      */
     protected static <T> T loadJsonFile(final String fileName, final Class<T> clazz) {
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndContext.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndContext.java
index c910a7b4..c0c98adc 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndContext.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/End2EndContext.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2022 Nordix Foundation.
+ * Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,9 +21,9 @@
 
 package org.onap.policy.pap.main.rest.e2e;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/HealthCheckTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/HealthCheckTest.java
index 296a6609..99ac30b0 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/HealthCheckTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/HealthCheckTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2022 Nordix Foundation.
+ * Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,12 +21,12 @@
 
 package org.onap.policy.pap.main.rest.e2e;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import jakarta.ws.rs.client.Invocation;
 import java.net.HttpURLConnection;
-import javax.ws.rs.client.Invocation;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.report.HealthCheckReport;
 
 public class HealthCheckTest extends End2EndBase {
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java
index 650dd41a..cf37d55a 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupCreateOrUpdateTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP PAP
  * ================================================================================
- * Copyright (C) 2019 Nordix Foundation.
+ * Copyright (C) 2019, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,18 +21,18 @@
 
 package org.onap.policy.pap.main.rest.e2e;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
 import java.util.Optional;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PdpGroupUpdateResponse;
 import org.onap.policy.models.pdp.concepts.PdpGroup;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
@@ -52,7 +52,7 @@ public class PdpGroupCreateOrUpdateTest extends End2EndBase {
      * Sets up.
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         addToscaPolicyTypes("monitoring.policy-type.yaml");
         super.setUp();
@@ -64,7 +64,7 @@ public class PdpGroupCreateOrUpdateTest extends End2EndBase {
      * Deletes the deployed group.
      */
     @Override
-    @After
+    @AfterEach
     public void tearDown() {
         // delete the group that was inserted
         try {
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeleteTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeleteTest.java
index 5e2ca38f..e3305ba5 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeleteTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeleteTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021-2022 Nordix Foundation.
+ * Modifications Copyright (C) 2021-2023 Nordix Foundation.
  * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,18 +23,18 @@
 package org.onap.policy.pap.main.rest.e2e;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.Response;
 import java.util.Collections;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.Response;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicFactories;
 import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicSink;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -54,7 +54,7 @@ public class PdpGroupDeleteTest extends End2EndBase {
      * Sets up.
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         addToscaPolicyTypes("monitoring.policy-type.yaml");
         addToscaPolicies("monitoring.policy.yaml");
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeployTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeployTest.java
index f28ccd14..3eb4e2bb 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeployTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupDeployTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021-2022 Nordix Foundation.
+ * Modifications Copyright (C) 2021-2023 Nordix Foundation.
  * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,20 +23,20 @@
 package org.onap.policy.pap.main.rest.e2e;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
 import java.util.List;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicFactories;
 import org.onap.policy.common.endpoints.event.comm.bus.NoopTopicSink;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -60,7 +60,7 @@ public class PdpGroupDeployTest extends End2EndBase {
      * Sets up.
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         addToscaPolicyTypes("monitoring.policy-type.yaml");
         addToscaPolicies("monitoring.policy.yaml");
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupQueryTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupQueryTest.java
index d6472ce1..02c7063b 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupQueryTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupQueryTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,19 +22,19 @@
 
 package org.onap.policy.pap.main.rest.e2e;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.Response;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.Response;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pdp.concepts.Pdp;
 import org.onap.policy.models.pdp.concepts.PdpGroup;
 import org.onap.policy.models.pdp.concepts.PdpGroups;
@@ -52,7 +52,7 @@ public class PdpGroupQueryTest extends End2EndBase {
      * @throws Exception the exception
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
 
         addToscaPolicyTypes("monitoring.policy-type.yaml");
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupStateChangeTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupStateChangeTest.java
index 2fa7cfb4..463228fa 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupStateChangeTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PdpGroupStateChangeTest.java
@@ -3,7 +3,7 @@
  * ONAP PAP
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2021 Nordix Foundation.
+ * Modifications Copyright (C) 2021, 2023 Nordix Foundation.
  * Modifications Copyright (C) 2022 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,16 +22,16 @@
 
 package org.onap.policy.pap.main.rest.e2e;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
+import jakarta.ws.rs.client.Entity;
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.Response;
 import java.util.Collections;
 import java.util.List;
-import javax.ws.rs.client.Entity;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.Response;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
 import org.onap.policy.models.pdp.enums.PdpState;
@@ -50,7 +50,7 @@ public class PdpGroupStateChangeTest extends End2EndBase {
      * Sets up.
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         addToscaPolicyTypes("monitoring.policy-type.yaml");
         addToscaPolicies("monitoring.policy.yaml");
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java
index b0a135d2..6b5ddc5e 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyAuditTest.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2021-2022 Bell Canada. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,15 +21,15 @@ package org.onap.policy.pap.main.rest.e2e;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.GenericType;
+import jakarta.ws.rs.core.Response;
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.GenericType;
-import javax.ws.rs.core.Response;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PolicyAudit;
 import org.onap.policy.models.pap.concepts.PolicyAudit.AuditAction;
@@ -60,7 +61,7 @@ public class PolicyAuditTest extends End2EndBase {
     private PolicyAuditRepository policyAuditRepository;
 
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
         setupEnv();
@@ -70,7 +71,7 @@ public class PolicyAuditTest extends End2EndBase {
      * Teardown after tests.
      */
     @Override
-    @After
+    @AfterEach
     public void tearDown() {
         policyAuditRepository.deleteAll();
         super.tearDown();
diff --git a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyStatusTest.java b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyStatusTest.java
index 09c8a2ac..7fd0eee9 100644
--- a/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyStatusTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/rest/e2e/PolicyStatusTest.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2021-2022 Bell Canada. All rights reserved.
- * Modifications Copyright (C) 2022 Nordix Foundation.
+ * Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,15 +22,15 @@
 
 package org.onap.policy.pap.main.rest.e2e;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import jakarta.ws.rs.client.Invocation;
+import jakarta.ws.rs.core.GenericType;
+import jakarta.ws.rs.core.Response;
 import java.util.List;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.core.GenericType;
-import javax.ws.rs.core.Response;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.pap.concepts.PolicyStatus;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus.State;
@@ -43,7 +43,7 @@ public class PolicyStatusTest extends End2EndBase {
     private static final String POLICY_DEPLOYMENT_STATUS_ENDPOINT = "policies/status";
 
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         addPdpPolicyStatus("policyStatus.json");
         super.setUp();
diff --git a/main/src/test/java/org/onap/policy/pap/main/service/PdpGroupServiceTest.java b/main/src/test/java/org/onap/policy/pap/main/service/PdpGroupServiceTest.java
index 4edb05dc..2846e506 100644
--- a/main/src/test/java/org/onap/policy/pap/main/service/PdpGroupServiceTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/service/PdpGroupServiceTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,8 +26,8 @@ import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import java.util.Collections;
 import java.util.List;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.common.utils.resources.ResourceUtils;
 import org.onap.policy.models.pdp.concepts.Pdp;
@@ -40,10 +40,12 @@ import org.onap.policy.models.pdp.enums.PdpState;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.pap.main.rest.CommonPapRestServer;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.ActiveProfiles;
 
 @ActiveProfiles("test")
-public class PdpGroupServiceTest extends CommonPapRestServer {
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_EACH_TEST_METHOD)
+class PdpGroupServiceTest extends CommonPapRestServer {
 
     private static final String FIELD_IS_NULL = "%s is marked non-null but is null";
 
@@ -62,7 +64,7 @@ public class PdpGroupServiceTest extends CommonPapRestServer {
 
     private PdpGroups groupsToCreate;
 
-    private StandardCoder coder = new StandardCoder();
+    private final StandardCoder coder = new StandardCoder();
 
     /**
      * Setup before tests.
@@ -70,7 +72,7 @@ public class PdpGroupServiceTest extends CommonPapRestServer {
      * @throws Exception the exception
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
         PdpGroups defaultGroup = coder.decode(ResourceUtils.getResourceAsString("e2e/PdpGroups.json"), PdpGroups.class);
@@ -79,7 +81,7 @@ public class PdpGroupServiceTest extends CommonPapRestServer {
     }
 
     @Test
-    public void testPdpGroupsCrudSuccess() {
+    void testPdpGroupsCrudSuccess() {
 
         List<PdpGroup> pdpGroups = pdpGroupService.getPdpGroups();
         assertThat(pdpGroups).hasSize(1);
@@ -118,7 +120,7 @@ public class PdpGroupServiceTest extends CommonPapRestServer {
     }
 
     @Test
-    public void testPdpGroupsCrudFailure() {
+    void testPdpGroupsCrudFailure() {
         PdpState pdpState = null;
         assertThatThrownBy(() -> pdpGroupService.getPdpGroups(pdpState))
             .hasMessage(String.format(FIELD_IS_NULL, "pdpState"));
@@ -140,23 +142,17 @@ public class PdpGroupServiceTest extends CommonPapRestServer {
     }
 
     @Test
-    public void testUpdatePdp() {
+    void testUpdatePdp() {
+        assertThatThrownBy(() -> pdpGroupService.updatePdp(null, null, new Pdp()))
+            .hasMessage(String.format(FIELD_IS_NULL, "pdpGroupName"));
 
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdp(null, null, new Pdp());
-        }).hasMessage(String.format(FIELD_IS_NULL, "pdpGroupName"));
+        assertThatThrownBy(() -> pdpGroupService.updatePdp(NAME, null, new Pdp()))
+            .hasMessage(String.format(FIELD_IS_NULL, "pdpSubGroup"));
 
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdp(NAME, null, new Pdp());
-        }).hasMessage(String.format(FIELD_IS_NULL, "pdpSubGroup"));
+        assertThatThrownBy(() -> pdpGroupService.updatePdp(NAME, TYPE, null))
+            .hasMessage(String.format(FIELD_IS_NULL, "pdp"));
 
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdp(NAME, TYPE, null);
-        }).hasMessage(String.format(FIELD_IS_NULL, "pdp"));
-
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdp(NAME, TYPE, new Pdp());
-        }).hasMessage(LOCALNAME_IS_NULL);
+        assertThatThrownBy(() -> pdpGroupService.updatePdp(NAME, TYPE, new Pdp())).hasMessage(LOCALNAME_IS_NULL);
 
         pdpGroupService.createPdpGroups(groupsToCreate.getGroups());
         assertThat(pdpGroupService.getPdpGroups()).hasSize(2);
@@ -174,18 +170,15 @@ public class PdpGroupServiceTest extends CommonPapRestServer {
     }
 
     @Test
-    public void testUpdateSubGroup() {
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdpSubGroup(null, null);
-        }).hasMessage(String.format(FIELD_IS_NULL, "pdpGroupName"));
-
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdpSubGroup(NAME, null);
-        }).hasMessage(String.format(FIELD_IS_NULL, "pdpSubGroup"));
-
-        assertThatThrownBy(() -> {
-            pdpGroupService.updatePdpSubGroup(NAME, new PdpSubGroup());
-        }).hasMessage(LOCALNAME_IS_NULL);
+    void testUpdateSubGroup() {
+        assertThatThrownBy(() -> pdpGroupService.updatePdpSubGroup(null, null))
+            .hasMessage(String.format(FIELD_IS_NULL, "pdpGroupName"));
+
+        assertThatThrownBy(() -> pdpGroupService.updatePdpSubGroup(NAME, null))
+            .hasMessage(String.format(FIELD_IS_NULL, "pdpSubGroup"));
+
+        assertThatThrownBy(() -> pdpGroupService.updatePdpSubGroup(NAME, new PdpSubGroup()))
+            .hasMessage(LOCALNAME_IS_NULL);
 
         pdpGroupService.createPdpGroups(groupsToCreate.getGroups());
         assertThat(pdpGroupService.getPdpGroups()).hasSize(2);
diff --git a/main/src/test/java/org/onap/policy/pap/main/service/PolicyAuditServiceTest.java b/main/src/test/java/org/onap/policy/pap/main/service/PolicyAuditServiceTest.java
index 8c351e24..79037af3 100644
--- a/main/src/test/java/org/onap/policy/pap/main/service/PolicyAuditServiceTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/service/PolicyAuditServiceTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,13 +23,13 @@ package org.onap.policy.pap.main.service;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.Assert.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
 import java.util.List;
-import org.junit.After;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pap.concepts.PolicyAudit;
 import org.onap.policy.models.pap.concepts.PolicyAudit.AuditAction;
@@ -59,7 +59,7 @@ public class PolicyAuditServiceTest extends CommonPapRestServer {
      * Teardown after tests.
      */
     @Override
-    @After
+    @AfterEach
     public void tearDown() {
         policyAuditRepository.deleteAll();
     }
diff --git a/main/src/test/java/org/onap/policy/pap/main/service/PolicyStatusServiceTest.java b/main/src/test/java/org/onap/policy/pap/main/service/PolicyStatusServiceTest.java
index 6166580e..06eb887b 100644
--- a/main/src/test/java/org/onap/policy/pap/main/service/PolicyStatusServiceTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/service/PolicyStatusServiceTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022-2023 Bell Canada. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,8 +26,8 @@ import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import java.util.List;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.pdp.concepts.PdpPolicyStatus;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
@@ -55,7 +55,7 @@ public class PolicyStatusServiceTest extends CommonPapRestServer {
      * @throws Exception the exception
      */
     @Override
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         super.setUp();
         ToscaConceptIdentifier policyType = new ToscaConceptIdentifier("MyPolicyType", "1.2.4");
diff --git a/main/src/test/java/org/onap/policy/pap/main/service/ToscaNodeTemplateServiceTest.java b/main/src/test/java/org/onap/policy/pap/main/service/ToscaNodeTemplateServiceTest.java
index d5c19fe3..7aefdc4c 100644
--- a/main/src/test/java/org/onap/policy/pap/main/service/ToscaNodeTemplateServiceTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/service/ToscaNodeTemplateServiceTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP PAP
  * ================================================================================
- * Copyright (C) 2022, Nordix Foundation. All rights reserved.
+ * Copyright (C) 2022-2023 Nordix Foundation. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,12 +25,14 @@ import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 import java.util.Optional;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -44,7 +46,7 @@ import org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTemplate;
 import org.onap.policy.pap.main.repository.ToscaNodeTemplateRepository;
 
 @RunWith(MockitoJUnitRunner.class)
-public class ToscaNodeTemplateServiceTest {
+class ToscaNodeTemplateServiceTest {
 
     private static final String NODE_TEMPLATE_NAME = "tca_metadata";
     private static final String NODE_TEMPLATE_VERSION = "1.0.0";
@@ -57,24 +59,31 @@ public class ToscaNodeTemplateServiceTest {
 
     private ToscaNodeTemplate nodeTemplate = new ToscaNodeTemplate();
 
-    private StandardCoder coder = new StandardYamlCoder();
+    private final StandardCoder coder = new StandardYamlCoder();
+
+    AutoCloseable autoCloseable;
 
     /**
      * Set up for tests.
-     *
      */
-    @Before
+    @BeforeEach
     public void setup() throws CoderException {
+        autoCloseable = MockitoAnnotations.openMocks(this);
         coder.decode(ResourceUtils.getResourceAsString("e2e/policyMetadataSet.yaml"),
-            ToscaServiceTemplate.class).getToscaTopologyTemplate().getNodeTemplates()
+                ToscaServiceTemplate.class).getToscaTopologyTemplate().getNodeTemplates()
             .forEach((key, value) -> nodeTemplate = value);
 
         Mockito.when(nodeTemplateRepository.findById(new PfConceptKey(NODE_TEMPLATE_NAME, NODE_TEMPLATE_VERSION)))
             .thenReturn(Optional.of(new JpaToscaNodeTemplate(nodeTemplate)));
     }
 
+    @AfterEach
+    public void tearDown() throws Exception {
+        autoCloseable.close();
+    }
+
     @Test
-    public void testGetToscaNodeTemplate() {
+    void testGetToscaNodeTemplate() {
         assertDoesNotThrow(() -> nodeTemplateService.getToscaNodeTemplate(NODE_TEMPLATE_NAME, NODE_TEMPLATE_VERSION));
 
         assertThat(nodeTemplateService.getToscaNodeTemplate(NODE_TEMPLATE_NAME, NODE_TEMPLATE_VERSION).getMetadata())
diff --git a/main/src/test/java/org/onap/policy/pap/main/service/ToscaServiceTemplateServiceTest.java b/main/src/test/java/org/onap/policy/pap/main/service/ToscaServiceTemplateServiceTest.java
index b64ad287..20bd2257 100644
--- a/main/src/test/java/org/onap/policy/pap/main/service/ToscaServiceTemplateServiceTest.java
+++ b/main/src/test/java/org/onap/policy/pap/main/service/ToscaServiceTemplateServiceTest.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2022 Bell Canada. All rights reserved.
- *  Modifications Copyright (C) 2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2022-2023 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,16 +24,18 @@ package org.onap.policy.pap.main.service;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
+import jakarta.ws.rs.core.Response;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import javax.ws.rs.core.Response;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -49,7 +51,7 @@ import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
 import org.onap.policy.pap.main.repository.ToscaServiceTemplateRepository;
 
 @RunWith(MockitoJUnitRunner.class)
-public class ToscaServiceTemplateServiceTest {
+class ToscaServiceTemplateServiceTest {
 
     private static final String VERSION_1 = "1.0.0";
 
@@ -72,22 +74,22 @@ public class ToscaServiceTemplateServiceTest {
     @Mock
     private ToscaNodeTemplateService nodeTemplateService;
 
-    private ToscaServiceTemplate serviceTemplate;
-
     private ToscaNodeTemplate nodeTemplate;
 
-    private StandardCoder coder = new StandardYamlCoder();
+    private final StandardCoder coder = new StandardYamlCoder();
+
+    AutoCloseable autoCloseable;
 
     /**
      * Set up for tests.
      *
      * @throws CoderException the exception
      */
-    @Before
+    @BeforeEach
     public void setup() throws CoderException {
-
+        autoCloseable = MockitoAnnotations.openMocks(this);
         coder.decode(ResourceUtils.getResourceAsString("e2e/policyMetadataSet.yaml"),
-            ToscaServiceTemplate.class).getToscaTopologyTemplate().getNodeTemplates()
+                ToscaServiceTemplate.class).getToscaTopologyTemplate().getNodeTemplates()
             .forEach((key, value) -> nodeTemplate = value);
 
         ToscaServiceTemplate toscaPolicyType =
@@ -100,7 +102,7 @@ public class ToscaServiceTemplateServiceTest {
         toscaPolicy.getToscaTopologyTemplate().getPolicies().forEach(e -> e.entrySet().iterator().next().getValue()
             .getMetadata().putAll(Map.of("metadataSetName", NODE_TEMPLATE_NAME,
                 "metadataSetVersion", NODE_TEMPLATE_VERSION)));
-        serviceTemplate = new ToscaServiceTemplate(toscaPolicyType);
+        ToscaServiceTemplate serviceTemplate = new ToscaServiceTemplate(toscaPolicyType);
         serviceTemplate.setToscaTopologyTemplate(toscaPolicy.getToscaTopologyTemplate());
         Mockito
             .when(toscaRepository.findById(
@@ -112,9 +114,13 @@ public class ToscaServiceTemplateServiceTest {
             .thenReturn(nodeTemplate);
     }
 
+    @AfterEach
+    public void tearDown() throws Exception {
+        autoCloseable.close();
+    }
 
     @Test
-    public void testGetPolicyList() throws PfModelException {
+    void testGetPolicyList() throws PfModelException {
         assertThatThrownBy(() -> toscaService.getPolicyList(NAME, VERSION))
             .isInstanceOf(PfModelRuntimeException.class).hasRootCauseMessage(INVALID_VERSION_ERR_MSG);
 
@@ -124,7 +130,7 @@ public class ToscaServiceTemplateServiceTest {
     }
 
     @Test
-    public void testPolicyForMetadataSet() throws PfModelException {
+    void testPolicyForMetadataSet() throws PfModelException {
         List<ToscaPolicy> policies = toscaService.getPolicyList("onap.restart.tca", VERSION_1);
 
         assertThat(policies.get(0).getMetadata()).containsEntry("metadataSet", nodeTemplate.getMetadata());
@@ -140,7 +146,7 @@ public class ToscaServiceTemplateServiceTest {
     }
 
     @Test
-    public void testGetPolicyTypeList() throws PfModelException {
+    void testGetPolicyTypeList() throws PfModelException {
         assertThatThrownBy(() -> toscaService.getPolicyTypeList(NAME, VERSION))
             .isInstanceOf(PfModelRuntimeException.class).hasRootCauseMessage(INVALID_VERSION_ERR_MSG);
 
diff --git a/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java b/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java
index 04ef2b66..a49f3c58 100644
--- a/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java
+++ b/main/src/test/java/org/onap/policy/pap/main/startstop/TestPapActivator.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2019, 2022 Nordix Foundation.
+ *  Copyright (C) 2019, 2022-2023 Nordix Foundation.
  *  Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
  *  Modifications Copyright (C) 2021-2023 Bell Canada. All rights reserved.
  * ================================================================================
@@ -23,21 +23,21 @@
 package org.onap.policy.pap.main.startstop;
 
 import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.nio.charset.StandardCharsets;
-import org.junit.After;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
 import org.onap.policy.common.utils.network.NetworkUtil;
@@ -63,8 +63,9 @@ public class TestPapActivator {
     /**
      * Allocates a new DB name, server port, and creates a config file.
      */
-    @BeforeClass
+    @BeforeAll
     public static void setUpBeforeClass() {
+        Registry.newRegistry();
         CommonTestData.newDb();
     }
 
@@ -73,7 +74,7 @@ public class TestPapActivator {
      *
      * @throws Exception if an error occurs
      */
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         Registry.newRegistry();
         TopicEndpointManager.getManager().shutdown();
@@ -102,20 +103,20 @@ public class TestPapActivator {
      *
      * @throws Exception if an error occurs
      */
-    @After
+    @AfterEach
     public void teardown() throws Exception {
         if (activator != null && activator.isAlive()) {
             activator.stop();
         }
     }
 
-    @AfterClass
+    @AfterAll
     public static void afterClass() {
         Registry.newRegistry();
     }
 
     @Test
-    public void testPapActivator() {
+    void testPapActivator() {
         assertFalse(activator.isAlive());
         activator.start();
         assertTrue(activator.isAlive());
@@ -133,7 +134,7 @@ public class TestPapActivator {
     }
 
     @Test
-    public void testTerminate() {
+    void testTerminate() {
         activator.start();
         activator.stop();
         assertFalse(activator.isAlive());
diff --git a/main/src/test/resources/application-test-e2e.yaml b/main/src/test/resources/application-test-e2e.yaml
index 435eb569..a4afd3ed 100644
--- a/main/src/test/resources/application-test-e2e.yaml
+++ b/main/src/test/resources/application-test-e2e.yaml
@@ -1,29 +1,16 @@
 spring:
-  security:
-    user:
-      name: policyadmin
-      password: zb!XztG34
-  http:
-    converters:
-      preferred-json-mapper: gson
   datasource:
     url: jdbc:h2:mem:testdb
     driverClassName: org.h2.Driver
   jpa:
-#    show-sql: true
     properties:
       hibernate:
         dialect: org.hibernate.dialect.H2Dialect
-#        format_sql: true
     hibernate:
       ddl-auto: create-drop
       naming:
         physical-strategy: org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl
         implicit-strategy: org.onap.policy.common.spring.utils.CustomImplicitNamingStrategy
-server:
-  port: 6969
-  servlet:
-    context-path: /policy/pap/v1
 
 pap:
   name: "PapGroupE2E"
@@ -82,11 +69,3 @@ pap:
     port: 3905
     useHttps: true
     basePath: topics
-
-management:
-  endpoints:
-    web:
-      base-path: /
-      exposure:
-        include: health, metrics, prometheus
-      path-mapping.prometheus: metrics
diff --git a/main/src/test/resources/application-test.yaml b/main/src/test/resources/application-test.yaml
index 96ba60df..d5c125c2 100644
--- a/main/src/test/resources/application-test.yaml
+++ b/main/src/test/resources/application-test.yaml
@@ -1,97 +1,13 @@
 spring:
-  security:
-    user:
-      name: policyadmin
-      password: zb!XztG34
-  http:
-    converters:
-      preferred-json-mapper: gson
   datasource:
     url: jdbc:h2:mem:testdb
     driverClassName: org.h2.Driver
   jpa:
-#    show-sql: true
     properties:
       hibernate:
         dialect: org.hibernate.dialect.H2Dialect
-#        format_sql: true
     hibernate:
       ddl-auto: create-drop
       naming:
         physical-strategy: org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl
         implicit-strategy: org.onap.policy.common.spring.utils.CustomImplicitNamingStrategy
-
-server:
-  port: 6969
-  servlet:
-    context-path: /policy/pap/v1
-pap:
-  name: "PapGroup"
-  aaf: false
-  topic:
-    pdp-pap.name: POLICY-PDP-PAP
-    notification.name: POLICY-NOTIFICATION
-    heartbeat.name: POLICY-HEARTBEAT
-  pdpParameters:
-    updateParameters:
-      maxRetryCount: 1
-      maxWaitMs: 3000
-    stateChangeParameters:
-      maxRetryCount: 1
-      maxWaitMs: 3000
-    heartBeatMs: 6000
-    maxMessageAgeMs: 20000
-  topicParameterGroup:
-    topicSources:
-    - topic: ${pap.topic.pdp-pap.name}
-      servers:
-      - message-router
-      topicCommInfrastructure: noop
-    - topic: ${pap.topic.heartbeat.name}
-      effectiveTopic: ${pap.topic.pdp-pap.name}
-      consumerGroup: policy-pap
-      servers:
-      - message-router
-      topicCommInfrastructure: noop
-    topicSinks:
-    - topic: ${pap.topic.pdp-pap.name}
-      servers:
-      - message-router
-      topicCommInfrastructure: noop
-    - topic: ${pap.topic.notification.name}
-      servers:
-      - message-router
-      topicCommInfrastructure: noop
-  healthCheckRestClientParameters:
-  - clientName: api
-    hostname: policy-api
-    port: 6969
-    userName: policyadmin
-    password: zb!XztG34
-    useHttps: true
-    basePath: policy/api/v1/healthcheck
-  - clientName: distribution
-    hostname: policy-distribution
-    port: 6969
-    userName: healthcheck
-    password: zb!XztG34
-    useHttps: true
-    basePath: healthcheck
-  - clientName: dmaap
-    hostname: message-router
-    port: 3905
-    useHttps: true
-    basePath: topics
-
-management:
-  metrics:
-    export:
-      prometheus:
-        enabled: true
-  endpoints:
-    web:
-      base-path: /
-      exposure:
-        include: health, metrics, prometheus
-      path-mapping.metrics: plain-metrics
-      path-mapping.prometheus: metrics
diff --git a/pom.xml b/pom.xml
index 20b9498d..0cc3471e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   ONAP Policy PAP
   ================================================================================
   Copyright (C) 2017-2021 AT&T Intellectual Property. All rights reserved.
-  Copyright (C) 2019, 2021 Nordix Foundation.
+  Copyright (C) 2019, 2021, 2023 Nordix Foundation.
   Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
@@ -51,14 +51,6 @@
         <module>testsuites</module>
     </modules>
 
-    <dependencies>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
     <distributionManagement>
         <site>
             <id>ecomp-site</id>