code: def setUp(self):
      # this one should have a score of 1 everywhere and length 4.3
      self.eval1 = ChordEvaluation(
          load_chords(join(DETECTIONS_PATH, "dummy.chords.txt")),
          load_chords(join(DETECTIONS_PATH, "dummy.chords.txt")),
          name="TestEval",
      )
      self.eval2 = ChordEvaluation(
          load_chords(join(DETECTIONS_PATH, "dummy.chords.txt")),
          load_chords(join(ANNOTATIONS_PATH, "dummy.chords")),
          name="TestEval",
      )
  
imports: from __future__ import absolute_import, division, print_function
  import unittest
  from os.path import join
  from madmom.evaluation.chords import *
  from .None import ANNOTATIONS_PATH, DETECTIONS_PATH
label_desc: Use image node_id 1 for calling the TestAggregateChordEvaluation obj's underlying member method code with example usage: obj.setUp() without return types