code: def test_save_flac(
      self, test_mode, bits_per_sample, compression_level
  ):
      # -acodec flac -sample_fmt s16
      # 24 bits needs to be mapped to s32
      codec_config = CodecConfig(
          compression_level=compression_level,
      )
      self.assert_save_consistency(
          "flac",
          compression=codec_config,
          bits_per_sample=bits_per_sample,
          test_mode=test_mode,
      )
  
imports: import io
  import os
  import pathlib
  import subprocess
  import sys
  from functools import partial
  from typing import Optional
  import torch
  from parameterized import parameterized
  from torchaudio._backend.ffmpeg import _parse_save_args
  from torchaudio._backend.utils import get_save_func
  from torchaudio.io import CodecConfig
  from torchaudio_unittest.backend.dispatcher.sox.common import get_enc_params, name_func
  from torchaudio_unittest.common_utils import disabledInCI, get_wav_data, load_wav, nested_params, PytorchTestCase, save_wav, skipIfNoExec, skipIfNoFFmpeg, TempDirMixin, TorchaudioTestCase
label_desc: Use image node_id 4 for calling the SaveTest obj's underlying member method code with example usage: obj.test_save_flac(test_mode, bits_per_sample, compression_level) without return types