code: def test_convert_vizier_trial_to_dict(self):
      hps = hp_module.HyperParameters()
      hps.Choice("learning_rate", [1e-4, 1e-3, 1e-2])
      params = utils.convert_vizier_trial_to_dict(OPTIMIZER_TRIAL)
      self.assertDictEqual(params, EXPECTED_TRIAL_HPS)
  
imports: import copy
  from absl.testing import parameterized
  from keras_tuner.engine import hyperparameters
  from keras_tuner.engine import oracle
  from keras_tuner.engine import trial
  import tensorflow
  from tensorboard.plugins.hparams import api
  from tensorflow_cloud.tuner.tuner import utils
label_desc: Use image node_id 8 for calling the CloudTunerUtilsTest obj's underlying member method code with example usage: obj.test_convert_vizier_trial_to_dict() without return types