import warnings

import pytest
from fastapi import APIRouter, Depends, FastAPI, Response
from fastapi.responses import JSONResponse
from fastapi.testclient import TestClient


class ResponseLevel0(JSONResponse):
    media_type = "application/x-level-0"


class ResponseLevel1(JSONResponse):
    media_type = "application/x-level-1"


class ResponseLevel2(JSONResponse):
    media_type = "application/x-level-2"

* [Upgraded Starlette](https://github.com/encode/starlette/releases/tag/0.21.0)
    * Now the `TestClient` is based on HTTPX instead of Requests. 🚀