code: def __init__(self, slow: bool = False, **kwargs):
      super().__init__(**kwargs)
      self.slow = slow
  
imports: import asyncio
  import multiprocessing
  import multiprocessing
  import os
  import signal
  import time
  from collections import namedtuple
  import pytest
  from jina import Client, Document, DocumentArray, Executor, Flow, Deployment, dynamic_batching, requests
  from jina.clients.request import request_generator
  from jina.serve.networking.utils import send_request_sync
  from jina.serve.runtimes.servers import BaseServer
  from jina_cli.api import executor_native
  from jina.proto import jina_pb2
  from tests.helper import _generate_pod_args
label_desc: Use image node_id 1 to create a new PlaceholderExecutor object from inherited base classes: Executor with example: obj = PlaceholderExecutor(slow)