code: def test_get_trial_id(self):
      trial_id = utils.get_trial_id(OPTIMIZER_TRIAL)
      self.assertEqual(trial_id, "trial_1")
  
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 20 for calling the CloudTunerUtilsTest obj's underlying member method code with example usage: obj.test_get_trial_id() without return types