code: def testWhiteNoise(self):
      from numpy.random import uniform
  
      sig = array(uniform(size=10000))
      spec = Spectrum()(sig)
      self.assertTrue(PitchSalience()(spec) < 0.2)
  
file_path: essentia/test/src/unittests/sfx/test_pitchsalience.py
imports: from essentia_test import *
  from numpy import sin, pi, mean, var
  from numpy.random import uniform
label_desc: Use image node_id 1 for calling the TestPitchSalience obj's underlying member method code with example usage: obj.testWhiteNoise() without return types