[test-table] unset x-fill on the keep-aspect-ratio texture
[test-table] unset x-fill on the keep-aspect-ratio texture

Both x and y fill need to be unset before keep-aspect-ratio will work as
expected.

pwithnall/mx,jonnylamb/mx,clutter-project/mx,pwithnall/mx,clutter-project/mx,jonnylamb/mx,clutter-project/mx,clutter-project/mx,jonnylamb/mx,jonnylamb/mx,pwithnall/mx,pwithnall/mx