HHH-6799 Fix EntityManager relates test harness that was closing a ServiceRegistry it did not open

hibernate-entitymanager/src/test/java/org/hibernate/ejb/test/BaseEntityManagerFunctionalTestCase.java

@@ -205,10 +205,7 @@ public abstract class BaseEntityManagerFunctionalTestCase extends BaseUnitTestCa
 		if ( entityManagerFactory != null ) {
 			entityManagerFactory.close();
 		}
-
-		if ( serviceRegistry != null ) {
-			serviceRegistry.destroy();
-		}
+		// Note we don't destroy the service registry as we are not the ones creating it
 	}
 
 	private void releaseUnclosedEntityManagers() {

hibernate-envers/src/matrix/java/org/hibernate/envers/test/AbstractEntityTest.java

@@ -121,7 +121,7 @@ public abstract class AbstractEntityTest extends AbstractEnversTest {
     public void close() {
         closeEntityManager();
         emf.close();
-		serviceRegistry.destroy();
+		//NOTE we don't build the service registry so we don't destroy it
     }
 
     public EntityManager getEntityManager() {