code: def testDiffSampleRates(self):
      algo44 = Intensity(sampleRate=44100)
      algo22 = Intensity(sampleRate=22050)
  
      filename = join(testdata.audio_dir, "recorded", "cat_purrrr.wav")
      cat44 = MonoLoader(
          filename=filename, downmix="left", sampleRate=44100
      )()
      filename = join(
          testdata.audio_dir, "recorded", "cat_purrrr22050.wav"
      )
      cat22 = MonoLoader(
          filename=filename, downmix="left", sampleRate=22050
      )()
  
      self.assertEqual(algo44(cat44), algo22(cat22))
  
imports: from essentia_test import *
label_desc: Use image node_id 3 for calling the TestIntensity obj's underlying member method code with example usage: obj.testDiffSampleRates() without return types