code: def test_ffmpeg_io_tensor_audio(audio_path):
      """test_ffmpeg_io_tensor_audio"""
      audio = tfio.IOTensor.from_audio(audio_path)
      ffmpeg = tfio.IOTensor.from_ffmpeg(audio_path)
      ffmpeg = ffmpeg("a:0")
      assert audio.dtype == ffmpeg.dtype
      assert audio.rate == ffmpeg.rate
      assert audio.shape[1] == ffmpeg.shape[1]
      assert np.all(audio[0:5760].numpy() == ffmpeg[0:5760].numpy())
      assert len(audio) == len(ffmpeg)
  
file_path: io/tests/test_ffmpeg.py
imports: import os
  import sys
  import pytest
  import numpy
  import tensorflow
  import tensorflow_io
label_desc: Use image node_id 3 for calling a global function with example usage: test_ffmpeg_io_tensor_audio(audio_path) without return types