code: def test_rejected_optional_repr():
      assert "{!r}".format(RejectedOptional()) == "RejectedOptional()"
  
imports: from hyperparameter_hunter import Real, Categorical, Integer
  from hyperparameter_hunter.feature_engineering import EngineerStep
  from hyperparameter_hunter.space.dimensions import RejectedOptional
  from hyperparameter_hunter.space.space_core import Space
  import pytest
  from sys import maxsize
label_desc: Use image node_id 18 for calling a global function with example usage: test_rejected_optional_repr() without return types