code: def testInvalidParam(self):
      filename = join(wav_dir, "impulses_1second_44100_st.wav")
      self.assertConfigureFails(
          MonoLoader(sampleRate=44100),
          {
              "filename": filename,
              "downmix": "stereo",
              "sampleRate": 44100,
          },
      )
  
      self.assertConfigureFails(
          MonoLoader(sampleRate=44100),
          {"filename": filename, "downmix": "left", "sampleRate": 0},
      )
      filename = "unknown.wav"
      self.assertConfigureFails(
          MonoLoader(),
          {
              "filename": filename,
              "downmix": "left",
              "sampleRate": 44100,
          },
      )
  
imports: from essentia_test import *
  from numpy import fabs
label_desc: Use image node_id 3 for calling the TestMonoLoader obj's underlying member method code with example usage: obj.testInvalidParam() without return types