code: def testRegression(self):
      # check moving average for size = 6 and input signal of 10 elements
  
      input = [1] * 10
      expected = [
          1.0 / 6,
          2.0 / 6,
          3.0 / 6,
          4.0 / 6.0,
          5.0 / 6.0,
          1.0,
          1.0,
          1.0,
          1.0,
          1.0,
      ]
  
      self.assertAlmostEqualVector(
          MovingAverage(size=6)(input), expected
      )
  
file_path: essentia/test/src/unittests/filters/test_movingaverage.py
imports: from essentia_test import *
label_desc: Use image node_id 1 for calling the TestMovingAverage obj's underlying member method code with example usage: obj.testRegression() without return types