code: def setUp(self):
      super(_CloudTunerIntegrationTestBase, self).setUp()
      self._study_id = None
  
imports: import contextlib
  import io
  import multiprocessing
  import os
  import re
  import time
  import keras_tuner
  import tensorflow
  from tensorflow import keras
  from tensorflow_cloud import CloudTuner
  from tensorflow_cloud.tuner import vizier_client
label_desc: Use image node_id 1 for calling the _CloudTunerIntegrationTestBase obj's underlying member method code with example usage: obj.setUp() without return types