docstr: Test playaudio function.
  The patch object is used to check if the data is written
  to the output device stream, without playing the actual audio.
code: def test_playaudio(self, dtype, writeaudio_mock):
      """Test playaudio function.
      The patch object is used to check if the data is written
      to the output device stream, without playing the actual audio.
      """
      dtype = getattr(torch, dtype)
      sample_rate = 8000
      waveform = get_sinusoid(
          frequency=440,
          sample_rate=sample_rate,
          duration=1,  # seconds
          n_channels=1,
          dtype=dtype,
          device="cpu",
          channels_first=False,
      )
  
      play_audio(waveform, sample_rate=sample_rate)
  
      writeaudio_mock.assert_called()
  
file_path: audio/test/torchaudio_unittest/io/playback_test.py
imports: from unittest.mock import patch
  import torch
  from parameterized import parameterized
  from torchaudio.io import play_audio, StreamWriter
  from torchaudio_unittest.common_utils import get_sinusoid, skipIfNoAudioDevice, skipIfNoMacOS, TorchaudioTestCase
label_desc: Use image node_id 1 for calling the PlaybackInterfaceTest obj's underlying member method code with example usage: obj.test_playaudio(dtype, writeaudio_mock) without return types