code: def test_score(self):
      self.assertAlmostEqual(
          BicScore(self.d1).score(self.m1), -10.698440814229318
      )
      self.assertEqual(BicScore(self.d1).score(BayesianNetwork()), 0)
  
imports: import unittest
  import pandas
  from pgmpy.estimators import AICScore, BDeuScore, BDsScore, BicScore, K2Score
  from pgmpy.models import BayesianNetwork
label_desc: Use image node_id 2 for calling the TestBicScore obj's underlying member method code with example usage: obj.test_score() without return types