Message msg6 = CoreMessageFactory.createCoreMessage(6, persistentMessage, null);
MessageReference ref6 = ms.reference(msg6);
routed = postOffice.route(ref5, new SimpleCondition("topic1"), null);
assertTrue(routed);
routed = postOffice.route(ref6, new SimpleCondition("topic1"), null);
assertTrue(routed);
msgs = receiver1.getMessages();
assertNotNull(msgs);
assertEquals(2, msgs.size());