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