notify test: Skip GtkWidget::double-buffered
notify test: Skip GtkWidget::double-buffered

This property is now deprecated, and ignored, thus: no notification.

Lyude/gtk-,jadahl/gtk,jigpu/gtk,Adamovskiy/gtk,davidgumberg/gtk,jigpu/gtk,jigpu/gtk,jigpu/gtk,chergert/gtk,davidgumberg/gtk,Lyude/gtk-,grubersjoe/adwaita,ahodesuka/gtk,Adamovskiy/gtk,Adamovskiy/gtk,ahodesuka/gtk,jadahl/gtk,chergert/gtk,jigpu/gtk,jessevdk/gtk,ahodesuka/gtk,jessevdk/gtk,alexlarsson/gtk,jadahl/gtk,davidgumberg/gtk,jadahl/gtk,Adamovskiy/gtk,davidgumberg/gtk,Adamovskiy/gtk,jessevdk/gtk,alexlarsson/gtk,jadahl/gtk,grubersjoe/adwaita,jigpu/gtk,grubersjoe/adwaita,ahodesuka/gtk,davidgumberg/gtk,jadahl/gtk,alexlarsson/gtk,ahodesuka/gtk,jessevdk/gtk,grubersjoe/adwaita,jigpu/gtk,jadahl/gtk,grubersjoe/adwaita,alexlarsson/gtk,grubersjoe/adwaita,chergert/gtk,ahodesuka/gtk,grubersjoe/adwaita,Adamovskiy/gtk,jigpu/gtk,Adamovskiy/gtk,davidgumberg/gtk,grubersjoe/adwaita,alexlarsson/gtk,Adamovskiy/gtk,chergert/gtk,chergert/gtk,Lyude/gtk-,jadahl/gtk,Lyude/gtk-,davidgumberg/gtk,jessevdk/gtk,ahodesuka/gtk,alexlarsson/gtk,davidgumberg/gtk,jessevdk/gtk,Lyude/gtk-,alexlarsson/gtk,Lyude/gtk-,alexlarsson/gtk,jessevdk/gtk,chergert/gtk,chergert/gtk,chergert/gtk,ahodesuka/gtk,Lyude/gtk-,Lyude/gtk-