code: def testCopyFromDifferentArtifactType(self):
      artifact1 = _MyArtifact()
      artifact2 = _MyArtifact2()
      with self.assertRaises(AssertionError):
          artifact2.copy_from(artifact1)
  
imports: import json
  import textwrap
  from unittest import mock
  from absl import logging
  import tensorflow
  from tfx.types import artifact
  from tfx.types import system_artifacts
  from tfx.types import value_artifact
  from tfx.utils import json_utils
  from google.protobuf import struct_pb2
  from google.protobuf import json_format
  from ml_metadata.proto import metadata_store_pb2
label_desc: Use image node_id 11 for calling the ArtifactTest obj's underlying member method code with example usage: obj.testCopyFromDifferentArtifactType() without return types