docstr: Verify that get_study gracefully handles 409 errors.
docstr_tok: ["Verify","that","get_study","gracefully","handles","409","errors","."]
code: def test_create_or_load_study_with_409_success(self, mock_discovery):
      """Verify that get_study gracefully handles 409 errors."""
      mock_create_request = mock.MagicMock()
      mock_create_request.execute.side_effect = errors.HttpError(
          httplib2.Response(info={"status": 409}), b""
      )
      mock_create_study = mock.MagicMock()
      mock_create_study.return_value = mock_create_request
      mock_discovery.build_from_document.return_value.projects().locations().studies().create = (
          mock_create_study
      )
  
      mock_get_request = mock.MagicMock()
      mock_get_request.execute.side_effect = [
          errors.HttpError(
              httplib2.Response(info={"status": 400}), b""
          ),
          errors.HttpError(
              httplib2.Response(info={"status": 400}), b""
          ),
          mock.DEFAULT,
      ]
      mock_get_study = mock.MagicMock()
      mock_get_study.side_effect = mock_get_request
      mock_discovery.build_from_document.return_value.projects().locations().studies().get = (
          mock_get_study
      )
  
      client = vizier_client.create_or_load_study(
          project_id=self._project_id,
          region=self._region,
          study_id=self._study_id,
          study_config=self._study_config,
      )
  
      self.assertIsInstance(client, vizier_client._VizierClient)
      mock_get_study.assert_called_with(
          name="projects/{}/locations/{}/studies/{}".format(
              self._project_id, self._region, self._study_id
          )
      )
  
imports: from googleapiclient import errors
  import httplib2
  import mock
  import tensorflow
  from tensorflow_cloud.tuner import vizier_client
label_desc: Use image node_id 6 for calling the VizierClientTest obj's underlying member method code with example usage: obj.test_create_or_load_study_with_409_success(mock_discovery) without return types