code: def test_bing_chinese(self):
      r = sr.Recognizer()
      with sr.AudioFile(self.AUDIO_FILE_ZH) as source:
          audio = r.record(source)
      self.assertEqual(
          r.recognize_bing(
              audio, key=os.environ["BING_KEY"], language="zh-CN"
          ),
          "砸自己的脚。",
      )
  
imports: import http
  import os
  import unittest
  from unittest.mock import patch, MagicMock
  import speech_recognition
label_desc: Use image node_id 7 for calling the TestRecognition obj's underlying member method code with example usage: obj.test_bing_chinese() without return types