assertEquals("Expected client to be in STARTED state", ClientState.READY, _client.getState());
final RegisterClientCommand registrationCommand = _controllerQueue.getNext();
createClientQueueProducer(registrationCommand);
final Command stopClientCommand = new StopClientCommand();
sendCommandToClient(stopClientCommand);
_client.waitUntilStopped(1000);
Response response = _controllerQueue.getNext();