Fix SassSpecRunner#overwrite_test!
Fix SassSpecRunner#overwrite_test!

sass/sass-spec,mgreter/sass-spec,sass/sass-spec,nschonni/sass-spec,nschonni/sass-spec,mgreter/sass-spec,mgreter/sass-spec,nschonni/sass-spec,sass/sass-spec,nschonni/sass-spec,sass/sass-spec