code: def test_plugin_hang(set_runtime_env_plugins, ray_start_regular):
      env_key = MyPluginForHang.env_key
  
      @ray.remote(num_cpus=0.1)
      def f():
          return os.environ[env_key]
  
      refs = [
          f.options(
              # Avoid hitting the cache of runtime_env
              runtime_env={MY_PLUGIN_FOR_HANG_NAME: {"name": "f1"}}
          ).remote(),
          f.options(
              runtime_env={MY_PLUGIN_FOR_HANG_NAME: {"name": "f2"}}
          ).remote(),
      ]
  
      def condition():
          for ref in refs:
              try:
                  res = ray.get(ref, timeout=1)
                  print("result:", res)
                  assert int(res) == 2
                  return True
              except Exception as error:
                  print(f"Got error: {error}")
                  pass
          return False
  
      wait_for_condition(condition, timeout=60)
  
imports: import asyncio
  import logging
  import os
  from pathlib import Path
  import time
  from unittest import mock
  import tempfile
  import json
  from typing import List
  import pytest
  import ray
  from ray._private.runtime_env.context import RuntimeEnvContext
  from ray._private.runtime_env.plugin import RuntimeEnvPlugin
  from ray._private.test_utils import enable_external_redis, wait_for_condition
  from ray.exceptions import RuntimeEnvSetupError
  from ray.runtime_env.runtime_env import RuntimeEnv
label_desc: Use image node_id 2 for calling a global function with example usage: test_plugin_hang(set_runtime_env_plugins, ray_start_regular) and returns: os, False, True