code: def test15SecOf30Sec(self):
      input1 = [randint(41, 100) for x in range(44100 * 15)]
      input1[0] = 100  # to ensure that at least one element is 100
      input2 = [randint(0, 39) for x in range(44100 * 15)]
      input = input1 + input2
  
      self.assertAlmostEqual(EffectiveDuration()(input), 15)
  
file_path: essentia/test/src/unittests/temporal/test_effectiveduration.py
imports: from essentia_test import *
  from random import randint
label_desc: Use image node_id 7 for calling the TestEffectiveDuration obj's underlying member method code with example usage: obj.test15SecOf30Sec() without return types