SimpleReceiver r = new SimpleReceiver("AckingReceiver", SimpleReceiver.ACKING);
assertTrue(queue.add(r));
MessageReference ref = createReference(0, false, "payload");
SimpleDeliveryObserver observer = new SimpleDeliveryObserver();
Transaction tx = tr.createTransaction();
// transacted send, non-reliable message, one message
// for a transactional send, handle() return value is unspecified