text: import os
  import requests
  
  # export FASTAPI_ROOT="http://fastapi-micro-service:8000"
  FASTAPI_ROOT = os.environ.get("FASTAPI_ROOT")
  
  
  def test_hello_world():
      endpoint_url = f"{FASTAPI_ROOT}/"
      response = requests.get(endpoint_url)
      assert response.status_code == 200
      response_json = response.json()
      assert isinstance(response_json, dict)
      assert "Hello" in response_json
      assert response_json["Hello"] == "World"
  