code: def test_get(client: TestClient, html: str):
      response = client.get("/")
      assert response.text == html
  
file_path: fastapi/tests/test_tutorial/test_websockets/test_tutorial003_py39.py
imports: import pytest
  from fastapi import FastAPI
  from fastapi.testclient import TestClient
  from ...utils import needs_py39
label_desc: Use image node_id 4 for calling a global function with example usage: test_get(client, html) without return types