RunId runId = RunIds.generate();
ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
zkClientService.startAndWait();
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);