test-clutter-units: Force a known resolution to avoid fuzzyness
test-clutter-units: Force a known resolution to avoid fuzzyness

Instead of taking the current resolution, whatever it may be, use a
known DPI. This should alleviate fuzzyness and create consistent
results.

heysion/clutter-clone,djdeath/clutter,spatulasnout/clutter,jigpu/clutter,spatulasnout/clutter,spatulasnout/clutter,heysion/clutter-clone,djdeath/clutter,djdeath/clutter,GNOME/clutter,djdeath/clutter-multithreaded,ebassi/clutter,collects/clutter,GNOME/clutter,djdeath/clutter-android,collects/clutter,Distrotech/clutter,dlespiau/clutter,ebassi/clutter,djdeath/clutter,dlespiau/clutter,kerrickstaley/clutter-vala,djdeath/clutter-android,heysion/clutter-clone,nobled/clutter,heysion/clutter-clone,dlespiau/clutter,jigpu/clutter,djdeath/clutter-android,ebassi/clutter,jigpu/clutter,Distrotech/clutter,ebassi/clutter,Distrotech/clutter,Distrotech/clutter,GNOME/clutter,nobled/clutter,djdeath/clutter,spatulasnout/clutter,ebassi/clutter,Distrotech/clutter,kerrickstaley/clutter-vala,djdeath/clutter-android,djdeath/clutter-multithreaded,collects/clutter,heysion/clutter-clone,djdeath/clutter,jigpu/clutter,kerrickstaley/clutter-vala,collects/clutter,spatulasnout/clutter,jigpu/clutter,Distrotech/clutter,GNOME/clutter,djdeath/clutter-multithreaded,kerrickstaley/clutter-vala,djdeath/clutter-android,jigpu/clutter,djdeath/clutter-multithreaded,collects/clutter,nobled/clutter,GNOME/clutter