MockManager manager = new MockManager("clusterName");
HelixDataAccessor accessor = manager.getHelixDataAccessor();
StateModelDefinition stateModelDef =
new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);
MockHelixTaskExecutor executor = new MockHelixTaskExecutor();
MockStateModel stateModel = new MockStateModel();
executor.registerMessageHandlerFactory(MessageType.TASK_REPLY.toString(),
new AsyncCallbackService());