code: def check_file(self, testfile, nframes, frames):
      with self.module.open(testfile, "rb") as f:
          self.assertEqual(f.getnchannels(), self.nchannels)
          self.assertEqual(f.getsampwidth(), self.sampwidth)
          self.assertEqual(f.getframerate(), self.framerate)
          self.assertEqual(f.getnframes(), nframes)
          self.assertEqual(f.readframes(nframes), frames)
  
imports: from test.support import findfile
  from test.support.os_helper import TESTFN, unlink
  import array
  import io
  import pickle
label_desc: Use image node_id 2 for calling the AudioWriteTests obj's underlying member method code with example usage: obj.check_file(testfile, nframes, frames) without return types