code: def test_riaa(self):
      sample_rate = 44100
      data, path = self.get_whitenoise(sample_rate)
      result = F.riaa_biquad(data, sample_rate)
      self.assert_sox_effect(result, path, ["riaa"])
  
imports: import torch
  import torchaudio.functional
  from torchaudio_unittest.common_utils import get_asset_path, get_whitenoise, load_wav, save_wav, skipIfNoExec, skipIfNoSox, sox_utils, TempDirMixin, TorchaudioTestCase
label_desc: Use image node_id 18 for calling the TestFunctionalFiltering obj's underlying member method code with example usage: obj.test_riaa() without return types