Add test for bug 111500
Add test for bug 111500

This test is constructed in such a way that it breaks when you
(currently!) do not trigger a size-request from validate_visible_area.
Especially row expansion appears to have a need for this currently.

jigpu/gtk,grubersjoe/adwaita,jessevdk/gtk,grubersjoe/adwaita,jessevdk/gtk,jessevdk/gtk,ahodesuka/gtk,jessevdk/gtk,simokivimaki/gtk,jadahl/gtk,alexlarsson/gtk,Sidnioulz/SandboxGtk,Sidnioulz/SandboxGtk,ahodesuka/gtk,bratsche/gtk-,Distrotech/gtk2,grubersjoe/adwaita,jigpu/gtk,Lyude/gtk-,Adamovskiy/gtk,ebassi/gtk,jadahl/gtk,simokivimaki/gtk,alexlarsson/gtk,Sidnioulz/SandboxGtk,grubersjoe/adwaita,ebassi/gtk,ebassi/gtk,alexlarsson/gtk,davidgumberg/gtk,msteinert/gtk,davidgumberg/gtk,grubersjoe/adwaita,alexlarsson/gtk,Lyude/gtk-,ahodesuka/gtk,jigpu/gtk,davidgumberg/gtk,Lyude/gtk-,bratsche/gtk-,davidgumberg/gtk,chergert/gtk,simokivimaki/gtk,ahodesuka/gtk,jigpu/gtk,jadahl/gtk,Sidnioulz/SandboxGtk,ebassi/gtk,msteinert/gtk,chergert/gtk,Lyude/gtk-,simokivimaki/gtk,Lyude/gtk-,msteinert/gtk,bratsche/gtk-,Lyude/gtk-,davidgumberg/gtk,Adamovskiy/gtk,davidgumberg/gtk,ahodesuka/gtk,davidt/gtk,Distrotech/gtk2,bratsche/gtk-,davidgumberg/gtk,msteinert/gtk,jessevdk/gtk,jigpu/gtk,simokivimaki/gtk,grubersjoe/adwaita,grubersjoe/adwaita,chergert/gtk,jigpu/gtk,Distrotech/gtk2,jessevdk/gtk,jadahl/gtk,Distrotech/gtk2,Lyude/gtk-,davidt/gtk,ebassi/gtk,Adamovskiy/gtk,Sidnioulz/SandboxGtk,Adamovskiy/gtk,grubersjoe/adwaita,davidgumberg/gtk,bratsche/gtk-,jigpu/gtk,alexlarsson/gtk,alexlarsson/gtk,Adamovskiy/gtk,ahodesuka/gtk,bratsche/gtk-,davidt/gtk,ahodesuka/gtk,davidt/gtk,Lyude/gtk-,chergert/gtk,jadahl/gtk,ebassi/gtk,jessevdk/gtk,simokivimaki/gtk,Sidnioulz/SandboxGtk,chergert/gtk,alexlarsson/gtk,davidt/gtk,jadahl/gtk,jadahl/gtk,jadahl/gtk,Distrotech/gtk2,msteinert/gtk,Adamovskiy/gtk,chergert/gtk,alexlarsson/gtk,Adamovskiy/gtk,ahodesuka/gtk,chergert/gtk,jigpu/gtk,davidt/gtk,msteinert/gtk,Distrotech/gtk2,chergert/gtk,Adamovskiy/gtk