code: def test_tuner_initialization_with_study_config(self):
      self.tuner = self._tuner(None, None, self._study_config)
      (
          self.mock_vizier_client_module.create_or_load_study.assert_called_with(
              self._project_id,
              self._region,
              self._study_id,
              self._study_config,
          )
      )
  
imports: import os
  import time
  from keras_tuner.engine import hypermodel
  from keras_tuner.engine import hyperparameters
  from keras_tuner.engine import oracle
  from keras_tuner.engine import trial
  from keras_tuner.engine import tuner
  import mock
  import tensorflow
  from tensorboard.plugins.hparams import api
  from tensorflow_cloud.core import deploy
  from tensorflow_cloud.core import machine_config
  from tensorflow_cloud.core import validate
  from tensorflow_cloud.tuner import cloud_fit_client
  from tensorflow_cloud.tuner import tuner
  from tensorflow_cloud.tuner.tuner import vizier_client
  from tensorflow_cloud.utils import google_api_client
  from tensorflow_cloud.utils import tf_utils
label_desc: Use image node_id 6 for calling the CloudTunerTest obj's underlying member method code with example usage: obj.test_tuner_initialization_with_study_config() without return types