MockAsyncCallback callback = new MockAsyncCallback();
manager.getMessagingService().sendAndWait(cr2, schedulerMessage, callback, -1);
String msgId = callback._message.getResultMap().get(DefaultSchedulerMessageHandlerFactory.SCHEDULER_MSG_ID);
HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
Builder keyBuilder = helixDataAccessor.keyBuilder();
Assert.assertEquals(_PARTITIONS, _factory._results.size());
PropertyKey controllerTaskStatus = keyBuilder.controllerTaskStatus(
MessageType.SCHEDULER_MSG.toString(), msgId);
ZNRecord statusUpdate = helixDataAccessor.getProperty(controllerTaskStatus)