code: def test_passing_handle_in_obj(serve_instance):
      child1 = Echo.bind("ed")
      child2 = Echo.bind("simon")
      parent = DictParent.bind({"child1": child1, "child2": child2})
  
      handle = serve.run(parent)
      assert handle.remote("child1").result() == "ed"
      assert handle.remote("child2").result() == "simon"
  
imports: import array
  import asyncio
  import os
  import sys
  from typing import Dict, Union
  import pytest
  import requests
  import starlette.requests
  from ray import serve
  from ray.serve._private.deployment_graph_build import build
  from ray.serve.handle import DeploymentHandle
label_desc: Use image node_id 12 for calling a global function with example usage: test_passing_handle_in_obj(serve_instance) without return types