code: def testIsOldModelArtifact(self):
      artifact = standard_artifacts.Model()
      self.assertFalse(path_utils.is_old_model_artifact(artifact))
      artifact.mlmd_artifact.state = metadata_store_pb2.Artifact.LIVE
      self.assertTrue(path_utils.is_old_model_artifact(artifact))
  
file_path: tfx/tfx/utils/path_utils_test.py
imports: import os
  from absl.testing import parameterized
  import tensorflow
  from tfx.types import standard_artifacts
  from tfx.utils import io_utils
  from tfx.utils import path_utils
  from tfx.utils import path_constants
  from ml_metadata.proto import metadata_store_pb2
label_desc: Use image node_id 3 for calling the PathUtilsTest obj's underlying member method code with example usage: obj.testIsOldModelArtifact() without return types