ensure test uses clean slate as previous priority tests can leave additional rows in the db

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1073671 13f79535-47bb-0310-9956-ffa450edef68

activemq-core/src/test/java/org/apache/activemq/usecases/DurableSubscriptionReactivationTest.java

@@ -81,6 +81,7 @@ public class DurableSubscriptionReactivationTest extends EmbeddedBrokerTestSuppo
         BrokerService answer = super.createBroker();
         answer.setKeepDurableSubsActive(keepDurableSubsActive);
         answer.setPersistenceAdapter(new JDBCPersistenceAdapter());
+        answer.setDeleteAllMessagesOnStartup(true);
         return answer;
     }