code: def testEmptyOrOne(self):
      self.assertComputeFails(SpectralCentroidTime(), [])
      self.assertComputeFails(SpectralCentroidTime(), [23])
  
imports: from essentia_test import *
  import os
label_desc: Use image node_id 2 for calling the TestSpectralCentroidTime obj's underlying member method code with example usage: obj.testEmptyOrOne() without return types