code: def testLifteringRegression(self):
      # DCT III values from Librosa, Liftening computed using PLP and RASTA matlab toolbox.
      inputArray = [1, 1, 0, 0, 1]
      expected = [
          1.8973666010509538,
          0.74349607,
          0.82789504,
          -0.0,
          -0.12078826,
      ]
  
      self.assertAlmostEqualVector(
          DCT(
              inputSize=len(inputArray),
              outputSize=len(expected),
              dctType=3,
              liftering=2,
          )(inputArray),
          expected,
          1e-5,
      )
  
imports: from essentia_test import *
label_desc: Use image node_id 3 for calling the TestDCT obj's underlying member method code with example usage: obj.testLifteringRegression() without return types