def METHOD_NAME(self, mock_func):
    self.gateway._TBGatewayService__send_rpc_reply(self.DEVICE_NAME, 1,
                                                   {'device': self.DEVICE_NAME, 'data': {'id': 1, 'method': 'echo'}})
    mock_func.assert_called_with(self.DEVICE_NAME, 1,
                                 {'device': self.DEVICE_NAME, 'data': {'id': 1, 'method': 'echo'}},
                                 quality_of_service=0)