code: def tearDown(self):
      decoder = FileDecoder(self.source)
      (decoder | self.analyzer).run()
      results = self.analyzer.results
      for result_id in self.expected.keys():
          result = results[result_id]
          self.assertEqual(
              result.data_object.value, self.expected[result_id]
          )
  
file_path: TimeSide/tests/test_analyzer_level.py
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.plugins.decoder.aubio import AubioDecoder
  from timeside.plugins.analyzer.level import Level
  from timeside.core.tools.test_samples import samples
label_desc: Use image node_id 4 for calling the TestAnalyzerLevel obj's underlying member method code with example usage: obj.tearDown() without return types