tests: fix argument parsing of test-texture-quality
tests: fix argument parsing of test-texture-quality

This test did not open redhand.png as argc/argv should be handled
normally (argv[0] being the name of the exectutable).

Reviewed-by: Emmanuele Bassi <049ee2061f71220e5aaf33f5be422fc2a2b06a44@linux.intel.com>

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