code: def test_Properties(self) -> None:
      self.assertEqual(self.constraint.lower_parameter.name, "x")
      self.assertEqual(self.constraint.upper_parameter.name, "y")
  
imports: from ax.core.parameter import ChoiceParameter, FixedParameter, ParameterType, RangeParameter
  from ax.core.parameter_constraint import ComparisonOp, OrderConstraint, ParameterConstraint, SumConstraint
  from ax.utils.common.testutils import TestCase
label_desc: Use image node_id 2 for calling the OrderConstraintTest obj's underlying member method code with example usage: obj.test_Properties() without return types