conform: Re-enable text tests
conform: Re-enable text tests

The ClutterText tests were ported to the new testing API, but they were
not enabled.

GNOME/clutter,jigpu/clutter,Distrotech/clutter,ebassi/clutter,Distrotech/clutter,GNOME/clutter,Distrotech/clutter,jigpu/clutter,Distrotech/clutter,jigpu/clutter,djdeath/clutter,djdeath/clutter,ebassi/clutter,jigpu/clutter,GNOME/clutter,ebassi/clutter,djdeath/clutter,djdeath/clutter,Distrotech/clutter,djdeath/clutter,ebassi/clutter,Distrotech/clutter,djdeath/clutter,ebassi/clutter,jigpu/clutter,GNOME/clutter,jigpu/clutter,GNOME/clutter