Add fill_class_parents test
Add fill_class_parents test

insanebits/gir,GuillaumeGomez/gir,gkoz/gir,gtk-rs/gir,EPashkin/gir,insanebits/gir,gtk-rs/gir,GuillaumeGomez/gir,EPashkin/gir,GuillaumeGomez/gir,gkoz/gir,gtk-rs/gir