code: def testTitleToClassMapping(self):
      self.assertEqual(
          compiler_utils.TITLE_TO_CLASS_PATH["tfx.Examples"],
          "tfx.types.standard_artifacts.Examples",
      )
      self.assertEqual(
          compiler_utils.TITLE_TO_CLASS_PATH["tfx.String"],
          "tfx.types.standard_artifacts.String",
      )
      self.assertEqual(
          compiler_utils.TITLE_TO_CLASS_PATH["tfx.Metrics"],
          "tfx.types.experimental.simple_artifacts.Metrics",
      )
  
imports: import os
  from absl.testing import parameterized
  from kfp.pipeline_spec import pipeline_spec_pb2
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.orchestration import data_types
  from tfx.orchestration.kubeflow.v2 import compiler_utils
  from tfx.types import artifact
  from tfx.types import channel
  from tfx.types import channel_utils
  from tfx.types import standard_artifacts
  from tfx.types.experimental import simple_artifacts
  import yaml
  from google.protobuf import text_format
label_desc: Use image node_id 2 for calling the CompilerUtilsTest obj's underlying member method code with example usage: obj.testTitleToClassMapping() without return types