code: def testMustContainPostiveFreq(self):
      # Throw in a zero Freq to see what happens.
      freq_speaks = [0, 250, 400, 1300, 2200, 3300]  # length 6
      mag_speaks = [1, 1, 1, 1, 1, 1]  # length 6
      self.assertRaises(
          RuntimeError,
          lambda: PitchSalienceFunction()(freq_speaks, mag_speaks),
      )
  
imports: from essentia_test import *
  from numpy import *
label_desc: Use image node_id 15 for calling the TestPitchSalienceFunction obj's underlying member method code with example usage: obj.testMustContainPostiveFreq() without return types