code: def testRegressionStandard(self):
      csm = CrossSimilarityMatrix(
          binarize=False, frameStackStride=1, frameStackSize=1
      )
      result = csm(self.query_feature, self.reference_feature)
      self.assertAlmostEqualMatrix(self.expected_sim_matrix, result)
  
imports: from essentia import array
  from essentia_test import *
label_desc: Use image node_id 2 for calling the TestCrossSimilarityMatrix obj's underlying member method code with example usage: obj.testRegressionStandard() without return types