code: def test_raw_response_content(
      self, client: OpenAI, respx_mock: MockRouter
  ) -> None:
      respx_mock.get("/files/string/content").mock(
          return_value=httpx.Response(200, json={"foo": "bar"})
      )
  
      response = client.files.with_raw_response.content(
          "string",
      )
  
      assert response.is_closed is True
      assert (
          response.http_request.headers.get("X-Stainless-Lang")
          == "python"
      )
      file = response.parse()
      assert_matches_type(
          _legacy_response.HttpxBinaryResponseContent,
          file,
          path=["response"],
      )
  
imports: from __future__ import annotations
  import os
  from typing import Any, cast
  import httpx
  import pytest
  from respx import MockRouter
  import openai._legacy_response
  from openai import OpenAI, AsyncOpenAI
  from tests.utils import assert_matches_type
  from openai.types import FileObject, FileDeleted
  from openai._client import OpenAI, AsyncOpenAI
  from openai.pagination import SyncPage, AsyncPage
label_desc: Use image node_id 17 for calling the TestFiles obj's underlying member method code with example usage: obj.test_raw_response_content(client, respx_mock) without return types