code: def _cleanup_kfp_server(self, pipeline_name):
      self._delete_experiment(pipeline_name)
      self._delete_pipeline(pipeline_name)
      self._delete_pipeline_output(pipeline_name)
  
imports: import codecs
  import locale
  import os
  import subprocess
  import sys
  from typing import Optional
  import absl
  from google.cloud import storage
  import kfp
  import kfp_server_api
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.tools.cli import labels
  from tfx.tools.cli import pip_utils
  from tfx.tools.cli.e2e import test_utils
  from tfx.utils import retry
  from tfx.utils import test_case_utils
label_desc: Use image node_id 4 for calling the CliKubeflowEndToEndTest obj's underlying member method code with example usage: obj._cleanup_kfp_server(pipeline_name) without return types