def METHOD_NAME():
    parent_opt = Option("A_FAKE_OPTION", "default-value", mutable=True)
    child_opt = Option("A_FAKE_OPTION", parent=parent_opt)
    assert child_opt.mutable
    assert child_opt.current == "default-value"
    parent_opt.current = "new-value"
    assert child_opt.current == "new-value"