do not create test files if project does not use Test::Unit
do not create test files if project does not use Test::Unit

Signed-off-by: Francesc Esplugas <5d943dcd997f105c67b2b9a265bb1925dd5c6f49@intraducibles.net>
chiragshah/typus,wollzelle/typus,gkleiman/typus_3dglabs,brainsome-de/typus,baban/typus,chiragshah/typus,typus/typus,burn-notice/typus,brainsome-de/typus,burn-notice/typus,brainsome-de/typus,thirdthing/typus,readyfor/typus,oruen/typus,typus/typus,oruen/typus,readyfor/typus,wollzelle/typus,burn-notice/typus,gkleiman/typus_3dglabs,baban/typus,brainsome-de/typus,burn-notice/typus,chiragshah/typus,thirdthing/typus,chiragshah/typus,thirdthing/typus,baban/typus,typus/typus,typus/typus,readyfor/typus,baban/typus,wollzelle/typus,readyfor/typus,thirdthing/typus,wollzelle/typus