code: def setUp(self):
      super(PdpTest, self).setUp()
      self.pdp = pdp.PdpInterpreter()
      self.reg_model = TestRegressionPdp()
      self.class_model = TestClassificationPdp()
      examples: list[lit_types.JsonDict] = [
          {
              "num": 1,
              "cats": "One",
          },
          {
              "num": 10,
              "cats": "None",
          },
          {
              "num": 5,
              "cats": "One",
          },
      ]
      self.dataset = lit_dataset.IndexedDataset(
          spec=_MODEL_INPUT_SPEC, examples=examples
      )
  
imports: from absl.testing import absltest
  from lit_nlp.api import dataset
  from lit_nlp.api import model
  from lit_nlp.api import types
  from lit_nlp.components import pdp
  from lit_nlp.lib import testing_utils
label_desc: Use image node_id 1 for calling the PdpTest obj's underlying member method code with example usage: obj.setUp() without return types