code: def testRegression(self):
      # borrowing lpc's input vector for this regression test
      input = readVector(join(filedir(), "lpc", "input.txt"))
  
      gen = VectorInput(input)
      strongDecay = sStrongDecay()
      p = Pool()
  
      gen.data >> strongDecay.signal
      strongDecay.strongDecay >> (p, "strongDecay")
  
      run(gen)
  
      self.assertAlmostEqual(
          p["strongDecay"], StrongDecay()(input), 1e-6
      )
  
imports: from essentia_test import *
  from essentia.streaming import StrongDecay
label_desc: Use image node_id 4 for calling the TestStrongDecay_Streaming obj's underlying member method code with example usage: obj.testRegression() without return types