code: def setUpClass(cls):
      cls.bc = load_breast_cancer()
  
file_path: AIX360/tests/rbm/test_Boolean_Rule_CG.py
imports: import pandas
  import unittest
  from sklearn.datasets import load_breast_cancer
  from sklearn.model_selection import train_test_split
  from sklearn.metrics import accuracy_score, precision_score, recall_score, f1_score
  from aix360.algorithms.rbm import FeatureBinarizer, BRCGExplainer, BooleanRuleCG
label_desc: Use image node_id 1 for calling the TestBooleanmRuleCG obj's underlying member method code with example usage: obj.setUpClass(cls) without return types