Service service = createService(zkClientService, runId);
service.startAndWait();
TwillController controller = getController(zkClientService, runId);
controller.sendCommand(Command.Builder.of("test").build()).get(2, TimeUnit.SECONDS);
controller.stop().get(2, TimeUnit.SECONDS);
Assert.assertEquals(ServiceController.State.TERMINATED, controller.state());
final CountDownLatch terminateLatch = new CountDownLatch(1);