@Test
public void testUnsubscribingAllListeners() {
final MBassador bus = createBus(SyncAsync());
ListenerFactory deadMessageListener = new ListenerFactory()
.create(InstancesPerListener, DeadMessagHandler.class)
.create(InstancesPerListener, Object.class);
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();