docstr: runs on C4_scale
code: def testOnGuitar(self):
      "runs on C4_scale"
      self.source = samples["C4_scale.wav"]
  
file_path: TimeSide/tests/test_aubio_melenergy.py
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.core import get_processor
  from timeside.core.tools.test_samples import samples
label_desc: Use image node_id 3 for calling the TestAubioMelEnergy obj's underlying member method code with example usage: obj.testOnGuitar() without return types