code: def verify_result(self):
      for header_attr in ["X-Request-ID"]:
          resp = requests.get(
              "http://localhost:8000", headers={header_attr: "123-234"}
          )
          assert resp.status_code == 200
          assert resp.json() == 1
          assert resp.headers[header_attr] == "123-234"
  
file_path: ray/python/ray/serve/tests/test_http_headers.py
imports: import uuid
  import pytest
  import requests
  import starlette
  from fastapi import FastAPI
  import ray
  from ray import serve
label_desc: Use image node_id 1 for calling the TestUserProvidedRequestIDHeader obj's underlying member method code with example usage: obj.verify_result() without return types