code: def setUp(self):
      self.processor = NoteOnsetPeakPickingProcessor(
          threshold=0.35,
          smooth=0.09,
          combine=0.05,
          pre_max=0.01,
          post_max=0.01,
          pitch_offset=21,
          fps=100,
      )
      self.result = np.array(
          [[0.14, 72], [1.56, 41], [2.52, 77], [3.37, 75]]
      )
  
imports: from __future__ import absolute_import, division, print_function
  import unittest
  from os.path import join
  from madmom.features import Activations
  from madmom.features.notes import *
  from madmom.io import load_notes
  from .None import ACTIVATIONS_PATH, AUDIO_PATH, DETECTIONS_PATH
label_desc: Use image node_id 1 for calling the TestNoteOnsetPeakPickingProcessorClass obj's underlying member method code with example usage: obj.setUp() without return types