code: def testRegression(self):
      input = [45, 78, 1, 5, 0.1125, 1.236, 10.25, 100, 9, 78]
      expected = 10.0 * log10(sum([x**2 for x in input]) / len(input))
      self.assertAlmostEqual(Leq()(input), expected)
  
file_path: essentia/test/src/unittests/temporal/test_leq.py
imports: from essentia_test import *
  from math import log10
label_desc: Use image node_id 4 for calling the TestLeq obj's underlying member method code with example usage: obj.testRegression() without return types