code: def testSynthesized(self):
      pcp = TestChordsDetectionBeats.get_hpcp(
          join(
              testdata.audio_dir,
              "generated",
              "synthesised",
              "chord_detection",
              "Chord_Detection_Test.flac",
          )
      )
  
      ticks = [i * 0.75 for i in range(25)]
  
      chords, strength = ChordsDetectionBeats()(pcp, ticks)
      chords_groundtruth = [
          "C",
          "C#",
          "D",
          "Eb",
          "E",
          "F",
          "F#",
          "G",
          "Ab",
          "A",
          "Bb",
          "B",
      ]
      chords_groundtruth = chords_groundtruth + [
          s + "m" for s in chords_groundtruth
      ]
  
      for detected_chord, expected_chord, strength in zip(
          chords, chords_groundtruth, strength
      ):
          self.assertEqual(detected_chord, expected_chord)
          self.assertTrue(strength > 0.8)
  
imports: from essentia_test import *
  import numpy
label_desc: Use image node_id 3 for calling the TestChordsDetectionBeats obj's underlying member method code with example usage: obj.testSynthesized() without return types