docstr: runs on sweep
code: def testOnSweep(self):
      "runs on sweep"
      self.source = samples["sweep.wav"]
  
file_path: TimeSide/tests/test_aubio_specdesc.py
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.core.tools.test_samples import samples
  from timeside.core import get_processor
label_desc: Use image node_id 2 for calling the TestAubioSpecdesc obj's underlying member method code with example usage: obj.testOnSweep() without return types