docstr: runs on C4 scale
code: def testOnC4Scale(self):
      "runs on C4 scale"
      self.source = samples["C4_scale.wav"]
  
file_path: TimeSide/tests/test_vamp_tempo.py
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.plugins.decoder.aubio import AubioDecoder
  from timeside.core import get_processor
  from timeside.core.tools.test_samples import samples
label_desc: Use image node_id 2 for calling the TestVampTempo obj's underlying member method code with example usage: obj.testOnC4Scale() without return types