code: def setUp(self) -> None:
      pass
  
file_path: contextual-ai/tests/explainer/test_explainer_factory.py
imports: import unittest
  from xai.explainer.config import DICT_DOMAIN_TO_DEFAULT_ALG, DICT_DOMAIN_TO_CLASS
  from xai.explainer.explainer_exceptions import DomainNotSupported, AlgorithmNotFoundInDomain
  from xai.explainer.explainer_factory import ExplainerFactory
label_desc: Use image node_id 1 for calling the TestExplainer obj's underlying member method code with example usage: obj.setUp() without return types