code: def test_Init(self) -> None:
      self.assertEqual(self.t.transform_parameters, {"a", "d"})
  
imports: from copy import deepcopy
  from unittest import mock
  from ax.core.observation import ObservationFeatures
  from ax.core.parameter import ChoiceParameter, ParameterType, RangeParameter
  from ax.core.parameter_constraint import OrderConstraint, SumConstraint
  from ax.core.search_space import RobustSearchSpace, SearchSpace
  from ax.exceptions.core import UnsupportedError
  from ax.modelbridge.transforms.int_to_float import IntToFloat
  from ax.utils.common.testutils import TestCase
  from ax.utils.common.typeutils import checked_cast
  from ax.utils.testing.core_stubs import get_robust_search_space
label_desc: Use image node_id 2 for calling the IntToFloatTransformTest obj's underlying member method code with example usage: obj.test_Init() without return types