code: def setUp(self):
      super().setUp()
      self._component = _FakeComponent(
          _FakeComponentSpec(
              input=types.Channel(type=_ArtifactTypeA),
              output=types.Channel(type=_ArtifactTypeB),
          )
      )
      self._pipeline_info = data_types.PipelineInfo("name", "root")
      self._driver_args = data_types.DriverArgs(True)
      self._metadata_connection_config = (
          metadata.sqlite_metadata_connection_config(
              os.path.join(
                  os.environ.get("TEST_TMP_DIR", self.get_temp_dir()),
                  "metadata",
              )
          )
      )
      self._parent_dag = models.DAG(
          dag_id=self._pipeline_info.pipeline_name,
          start_date=datetime.datetime(2018, 1, 1),
          schedule_interval=None,
      )
  
imports: import collections
  import datetime
  import os
  from unittest import mock
  from airflow import models
  from airflow.operators import python_operator
  import tensorflow
  from tfx import types
  from tfx.dsl.components.base import base_component
  from tfx.dsl.components.base import base_executor
  from tfx.dsl.components.base import executor_spec
  from tfx.orchestration import data_types
  from tfx.orchestration import metadata
  from tfx.orchestration.airflow import airflow_component
  from tfx.types import component_spec
label_desc: Use image node_id 1 for calling the AirflowComponentTest obj's underlying member method code with example usage: obj.setUp() without return types