PropertyDefinition propertyDefinition = transformer.convertYAMLToPD(yamlData);
         String yaml = transformer.convertPDToYaml(propertyDefinition);
+        assertNotNull(transformer);
     }
 
     @Test
 
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertNotNull;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
         String prefix="test";
         String templateModelId = "template001";
         dbService.getVnfcReferenceByVnfTypeNActionWithTemplateModelId(ctx, prefix, templateModelId);
+        assertNotNull(dbService);
     }
 
     @Test
         String templateModelId = "template001";
         String fileCategory="testCategory";
         dbService.getTemplateByVnfTypeNActionWithTemplateModelId(ctx, prefix, fileCategory, templateModelId);
+        assertNotNull(dbService);
     }
 
     @Test
 
 import org.powermock.api.mockito.PowerMockito;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 
 @RunWith(PowerMockRunner.class)
 @PrepareForTest(DGGeneralDBService.class)
     PowerMockito.when(dGGeneralDBService.saveConfigTransactionLog(anyObject(), eq("")))
         .thenReturn(QueryStatus.SUCCESS);
     generalDataService.saveTransactionLog(inParams, ctx);
+    assertNotNull(dGGeneralDBService);
   }
 
   @Test(expected = Exception.class)
 
 
 import org.apache.commons.io.FileUtils;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import org.apache.commons.lang.StringEscapeUtils;
 import org.junit.Test;
 import org.slf4j.Logger;
                     + " SET request_id = $request-id , message_type  =  'request' ,  message        =  $log_message ;";
             String resolvedContext = resolveCtxVars(key, ctx);
             ctx.setAttribute("log_message", null);
+            assertNotNull(message);
         } catch (IOException e) {
 
         }