code: def test_get_payload_format_invalid_artifact_type(self):
      artifact = standard_artifacts.Schema()
      with self.assertRaises(AssertionError):
          examples_utils.get_payload_format(artifact)
  
file_path: tfx/tfx/components/util/examples_utils_test.py
imports: import tensorflow
  from tfx.components.example_gen import utils
  from tfx.components.util import examples_utils
  from tfx.proto import example_gen_pb2
  from tfx.types import standard_artifacts
label_desc: Use image node_id 4 for calling the ExamplesUtilsTest obj's underlying member method code with example usage: obj.test_get_payload_format_invalid_artifact_type() without return types