ListenerFactory objectListener = new ListenerFactory()
.create(InstancesPerListener, ObjectListener.class);
ConcurrentExecutor.runConcurrent(TestUtil.subscriber(bus, deadMessageListener), ConcurrentUnits);
// Only dead message handlers available
bus.post(new Object()).now();
// The message should be caught as dead message since there are no subscribed listeners
assertEquals(InstancesPerListener, DeadMessagHandler.deadMessages.get());
// Clear deadmessage for future tests