code: def test_feature_extraction_short():
      [fs, x] = audioBasicIO.read_audio_file("test_data/1_sec_wav.wav")
      F, f_names = ShortTermFeatures.feature_extraction(
          x, fs, 0.050 * fs, 0.050 * fs
      )
      assert F.shape[1] == 20, "Wrong number of mid-term windows"
      assert F.shape[0] == len(f_names), (
          "Number of features and feature " "names are not the same"
      )
  
imports: import sys
  import os
  from pyAudioAnalysis import audioBasicIO
  from pyAudioAnalysis import ShortTermFeatures
  from pyAudioAnalysis import MidTermFeatures
label_desc: Use image node_id 1 for calling a global function with example usage: test_feature_extraction_short() without return types