code: def testEmptyInput(self):
      x = []
      y = []
  
      self.assertComputeFails(CrossCorrelation(), x, y)
  
file_path: essentia/test/src/unittests/stats/test_crosscorrelation.py
imports: from essentia_test import *
label_desc: Use image node_id 2 for calling the TestCrossCorrelation obj's underlying member method code with example usage: obj.testEmptyInput() without return types