code: def setUp(self):
      self.source = samples["sweep.wav"]
      self.source_samplerate = 44100
      self.decoder = FileDecoder(uri=self.source)
  
file_path: TimeSide/tests/test_core_processors.py
imports: import unittest
  from unit_timeside import TestRunner
  import os
  from timeside.plugins.decoder.aubio import AubioDecoder
  from timeside.core import get_processor
  from timeside.core.processor import Processor
  from timeside.core.api import IProcessor
  from timeside.core.component import implements, interfacedoc
  from timeside.core.tools.test_samples import samples
label_desc: Use image node_id 1 for calling the TestForceSampleRate obj's underlying member method code with example usage: obj.setUp() without return types