code: def testZeros(self):
      input1 = [3.14] * 50
      input2 = [0] * 50
      input3 = [5.31] * 50
  
      fluxAlgo = Flux()
      self.assertAlmostEqual(fluxAlgo(input1), 22.203152929, 1e-6)
      self.assertAlmostEqual(fluxAlgo(input2), 22.203152929, 1e-6)
      self.assertAlmostEqual(fluxAlgo(input3), 37.547370081, 1e-6)
  
file_path: essentia/test/src/unittests/spectral/test_flux.py
imports: from essentia_test import *
label_desc: Use image node_id 5 for calling the TestFlux obj's underlying member method code with example usage: obj.testZeros() without return types