code: def test_log_spectrogram_fail():
      """test if log spectrogram layer works well"""
      src_mono, batch_src, input_shape = get_audio(
          data_format="channels_last", n_ch=1
      )
      _ = get_log_frequency_spectrogram_layer(
          input_shape, return_decibel=True, log_n_bins=200
      )
  
imports: import pytest
  import numpy
  import tensorflow
  import tensorflow.keras
  import librosa
  from kapre import STFT, Magnitude, Phase, Delta, InverseSTFT, ApplyFilterbank, ConcatenateFrequencyMap, STFTTflite, MagnitudeTflite, PhaseTflite
  from kapre.composed import get_melspectrogram_layer, get_log_frequency_spectrogram_layer, get_stft_mag_phase, get_perfectly_reconstructing_stft_istft, get_stft_magnitude_layer, get_frequency_aware_conv2d
  from utils import get_audio, save_load_compare, predict_using_tflite
label_desc: Use image node_id 11 for calling a global function with example usage: test_log_spectrogram_fail() without return types