def METHOD_NAME():
  """Start test bot."""
  # TODO(ochang): Use Docker container instead.
  bot_path = os.path.join(_test_data_dir(), 'worker_bot')
  if os.path.exists(bot_path):
    shutil.rmtree(bot_path, ignore_errors=True)
  env = os.environ.copy()
  env['UNTRUSTED_WORKER'] = 'True'
  env['BOT_NAME'] = 'localhost'
  bot_proc = subprocess.Popen(
      ['python', 'butler.py', 'run_bot', bot_path], env=env)
  return bot_proc, os.path.join(bot_path, 'clusterfuzz')