code: def test_verification_check(self):
      assert not self.valid_with_bias
      assert self.valid_without_bias
  
file_path: allennlp/tests/confidence_checks/normalization_bias_verification_test.py
imports: import torch
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.common.testing.confidence_check_test import FakeModelForTestingNormalizationBiasVerification
  from allennlp.confidence_checks.normalization_bias_verification import NormalizationBiasVerification
label_desc: Use image node_id 2 for calling the TestNormalizationBiasVerification obj's underlying member method code with example usage: obj.test_verification_check() without return types