code: def setUp(self) -> None:
      self.x = RangeParameter("x", ParameterType.INT, lower=0, upper=1)
      self.y = RangeParameter("y", ParameterType.INT, lower=0, upper=1)
      self.constraint = OrderConstraint(
          lower_parameter=self.x, upper_parameter=self.y
      )
      self.constraint_repr = "OrderConstraint(x <= 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 1 for calling the OrderConstraintTest obj's underlying member method code with example usage: obj.setUp() without return types