code: def setUp(self):
      super(TabularShapExplainerTest, self).setUp()
      self.dataset = _GOOD_DATASET
      self.regression_model = (
          testing_utils.IdentityRegressionModelForTesting()
      )
      self.shap = shap_explainer.TabularShapExplainer()
      self.sparse_model = _SparseMultilabelTestModel()
  
imports: from typing import Optional
  from absl.testing import absltest
  from absl.testing import parameterized
  from lit_nlp.api import dataset
  from lit_nlp.api import model
  from lit_nlp.api import types
  from lit_nlp.components import shap_explainer
  from lit_nlp.lib import testing_utils
label_desc: Use image node_id 1 for calling the TabularShapExplainerTest obj's underlying member method code with example usage: obj.setUp() without return types