Added Junis for Policy ONAP-REST

Cleaned the unused constructors.
Cleaned the unused code.
Added Junits for all JPAS.
Renamed the Junit class names on removing classes.

Issue-ID: POLICY-603
Change-Id: I0709ccecd7a2f3ec49367ff85f5a6d273479493e
Signed-off-by: rb7147 <rb7147@att.com>
diff --git a/ONAP-REST/pom.xml b/ONAP-REST/pom.xml
index 27f3582..ef8c76e 100644
--- a/ONAP-REST/pom.xml
+++ b/ONAP-REST/pom.xml
@@ -185,6 +185,12 @@
 			<artifactId>tomcat-dbcp</artifactId>
 			<version>8.5.9</version>
 		</dependency>
+		<dependency>
+    		<groupId>org.powermock</groupId>
+    		<artifactId>powermock-module-junit4-common</artifactId>
+    		<version>1.6.4</version>
+		</dependency>
+		
 	</dependencies>
 
 	<properties>