code: def setUp(self) -> None:
      self.experiment = get_multi_type_experiment(add_trials=True)
      self.data = self.experiment.fetch_data()
      self.observations = observations_from_data(
          self.experiment, self.data
      )
      self.observation_data = [o.data for o in self.observations]
      self.observation_features = [
          o.features for o in self.observations
      ]
      self.tconfig = tconfig_from_mt_experiment(self.experiment)
  
file_path: Ax/ax/modelbridge/transforms/tests/test_convert_metric_names_transform.py
imports: from copy import copy
  from ax.core.observation import observations_from_data
  from ax.modelbridge.transforms.convert_metric_names import convert_mt_observations, ConvertMetricNames, tconfig_from_mt_experiment
  from ax.utils.common.testutils import TestCase
  from ax.utils.testing.core_stubs import get_multi_type_experiment
label_desc: Use image node_id 1 for calling the ConvertMetricNamesTest obj's underlying member method code with example usage: obj.setUp() without return types