Adding code for db config & initial group creation

1) Adding code for initial PdpGroup/Subgroup creation.
2) Adding db configuration
3) Updated code as per change in policy/models

Change-Id: If37870925001b333e0537e364eecb266c351cf5a
Issue-ID: POLICY-1635
Signed-off-by: ramverma <ram.krishna.verma@est.tech>
diff --git a/main/src/test/resources/parameters/PapConfigParameters.json b/main/src/test/resources/parameters/PapConfigParameters.json
index c967fdf..05f25bb 100644
--- a/main/src/test/resources/parameters/PapConfigParameters.json
+++ b/main/src/test/resources/parameters/PapConfigParameters.json
@@ -20,9 +20,10 @@
     "databaseProviderParameters": {
         "name": "PolicyProviderParameterGroup",
         "implementation": "org.onap.policy.models.provider.impl.DatabasePolicyModelsProviderImpl",
+        "databaseDriver": "org.h2.Driver",
         "databaseUrl": "jdbc:h2:mem:testdb",
         "databaseUser": "policy",
         "databasePassword": "P01icY",
-        "persistenceUnit": "PdpGroupTest"
+        "persistenceUnit": "ToscaConceptTest"
     }
 }