code: def fixture_audio_mp3():
      """fixture_audio_mp3"""
      # l1-fl6.bit was taken from minimp3
      # l1-fl6.raw is the converted, through minimp3
      path = os.path.join(
          os.path.dirname(os.path.abspath(__file__)),
          "test_audio",
          "l1-fl6.bit",
      )
      raw_path = os.path.join(
          os.path.dirname(os.path.abspath(__file__)),
          "test_audio",
          "l1-fl6.raw",
      )
      raw = np.fromfile(raw_path, np.int16)
      raw = raw.reshape([-1, 2])
      value = tf.cast(raw, tf.float32) / 32768.0
  
      args = path
      func = lambda args: tfio.IOTensor.graph(tf.float32).from_audio(
          args
      )
      expected = value
      equal = lambda a, b: np.allclose(a, b, atol=0.00005)
  
      return args, func, expected, equal
  
imports: import os
  import shutil
  import tempfile
  import numpy
  import pytest
  import tensorflow
  import tensorflow_io
label_desc: Use image node_id 11 for calling a global function with example usage: fixture_audio_mp3() and returns: args,  func,  expected,  equal