Fix centos build issue

Seeing this when trying to build in centos:
  10:04:12 [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0,
    Time elapsed: 0.459 s - in
    org.onap.policy.pap.ia.DbAuditCompareEntriesTest
  10:04:12 [INFO]
  10:04:12 [INFO] Results:
  10:04:12 [INFO]
  10:04:12 [ERROR] Failures:
  10:04:12 [ERROR]   XACMLPAPTest.testDummy:907
  10:04:12 [ERROR] Errors:
  10:04:12 [ERROR]   XACMLPAPTest.getDictionary:886 » NullPointer
	...

Modified the junit test(s) to create the JPA entities needed
by integrity audit, which is what was causing the above issues.

Change-Id: I405798a1946d377770529a99210a1cc57390667f
Issue-ID: POLICY-1737
Signed-off-by: Jim Hahn <jrh3@att.com>