code: def test_pitch_shift_intensity(self):
      intensity = audaugs.pitch_shift_intensity(
          metadata={}, n_steps=2.0
      )
      self.assertAlmostEqual(intensity, 2.380952381)
  
imports: import unittest
  import numpy
  from augly import audio
label_desc: Use image node_id 15 for calling the IntensityAudioUnitTest obj's underlying member method code with example usage: obj.test_pitch_shift_intensity() without return types