code: def fixture_audio_flac():
      """fixture_audio_flac"""
      path = os.path.join(
          os.path.dirname(os.path.abspath(__file__)),
          "test_audio",
          "ZASFX_ADSR_no_sustain.flac",
      )
      wav_path = os.path.join(
          os.path.dirname(os.path.abspath(__file__)),
          "test_audio",
          "ZASFX_ADSR_no_sustain.wav",
      )
      audio = tf.audio.decode_wav(tf.io.read_file(wav_path))
      value = audio.audio * (1 << 15)
      value = tf.cast(value, tf.int16)
  
      args = path
      func = lambda args: tfio.IODataset.graph(tf.int16).from_audio(
          args
      )
      expected = [v for _, v in enumerate(value)]
  
      return args, func, expected
  
imports: import os
  import sys
  import time
  import shutil
  import tempfile
  import numpy
  import pytest
  import tensorflow
  import tensorflow_io
label_desc: Use image node_id 16 for calling a global function with example usage: fixture_audio_flac() and returns: args,  func,  expected