code: def test_should_trial_stop(self):
      mock_early_stop = mock.MagicMock()
      mock_early_stop.return_value.execute.return_value = {
          "name": "op_name"
      }
      self._mock_discovery.projects().locations().studies().trials().checkEarlyStoppingState = (
          mock_early_stop
      )
  
      mock_early_stop_lro = mock.MagicMock()
      mock_early_stop_lro.return_value.execute.return_value = {
          "name": "op_name",
          "done": True,
          "response": {"shouldStop": True},
      }
      self._mock_discovery.projects().locations().operations().get = (
          mock_early_stop_lro
      )
  
      mock_stop_trial = mock.MagicMock()
      self._mock_discovery.projects().locations().studies().trials().stop = (
          mock_stop_trial
      )
  
      actual_should_stop = self._client.should_trial_stop("1")
  
      self.assertEqual(actual_should_stop, True)
      mock_early_stop.assert_called_once_with(name=self._trial_name)
      mock_stop_trial.assert_called_once_with(name=self._trial_name)
  
imports: from googleapiclient import errors
  import httplib2
  import mock
  import tensorflow
  from tensorflow_cloud.tuner import vizier_client
label_desc: Use image node_id 11 for calling the VizierClientTest obj's underlying member method code with example usage: obj.test_should_trial_stop() without return types