fix test for enum property

Author: ranfdev

glib-macros/tests/properties.rs

@@ -79,7 +79,7 @@ fn props() {
                 builder_with_required_param: RefCell<char>,
                 #[property(get, set)]
                 boxed: RefCell<SimpleBoxedString>,
-                #[property(get, set)]
+                #[property(get, set, builder(SimpleEnum::One))]
                 fenum: RefCell<SimpleEnum>,
                 #[property(get, set)]
                 object: RefCell<Option<glib::Object>>,