code: def testComponentSpec_Empty(self):
      class EmptyComponentSpec(ComponentSpec):
          PARAMETERS = {}
          INPUTS = {}
          OUTPUTS = {}
  
      EmptyComponentSpec()
  
imports: import json
  import sys
  from typing import Dict, List
  import unittest
  import tensorflow
  from tfx.dsl.placeholder import placeholder
  from tfx.proto import example_gen_pb2
  from tfx.types import artifact
  from tfx.types import channel
  from tfx.types import component_spec
  from tfx.types.component_spec import ChannelParameter
  from tfx.types.component_spec import ComponentSpec
  from tfx.types.component_spec import ExecutionParameter
  from tfx.types.standard_artifacts import Examples
  from tfx.utils import proto_utils
  from google.protobuf import json_format
  from google.protobuf import text_format
label_desc: Use image node_id 1 for calling the ComponentSpecTest obj's underlying member method code with example usage: obj.testComponentSpec_Empty() without return types