tests: Only error for lines starting with tabs
tests: Only error for lines starting with tabs

Otherwise we can't even use tabs for testing.

thiblahute/meson,mesonbuild/meson,trhd/meson,becm/meson,becm/meson,becm/meson,jpakkane/meson,MathieuDuponchelle/meson,ernestask/meson,jpakkane/meson,jpakkane/meson,MathieuDuponchelle/meson,thiblahute/meson,thiblahute/meson,trhd/meson,pexip/meson,jeandet/meson,mesonbuild/meson,trhd/meson,pexip/meson,pexip/meson,jeandet/meson,MathieuDuponchelle/meson,jpakkane/meson,pexip/meson,pexip/meson,QuLogic/meson,jeandet/meson,pexip/meson,thiblahute/meson,thiblahute/meson,MathieuDuponchelle/meson,pexip/meson,jpakkane/meson,jeandet/meson,jpakkane/meson,MathieuDuponchelle/meson,mesonbuild/meson,MathieuDuponchelle/meson,QuLogic/meson,jpakkane/meson,ernestask/meson,jpakkane/meson,jeandet/meson,QuLogic/meson,ernestask/meson,becm/meson,thiblahute/meson,mesonbuild/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,jeandet/meson,becm/meson,trhd/meson,ernestask/meson,QuLogic/meson,trhd/meson,jeandet/meson,ernestask/meson,jeandet/meson,trhd/meson,mesonbuild/meson,ernestask/meson,MathieuDuponchelle/meson,QuLogic/meson,ernestask/meson,QuLogic/meson,mesonbuild/meson,thiblahute/meson,pexip/meson,mesonbuild/meson,trhd/meson,becm/meson,jeandet/meson,trhd/meson,MathieuDuponchelle/meson,mesonbuild/meson,QuLogic/meson,QuLogic/meson,MathieuDuponchelle/meson,QuLogic/meson,thiblahute/meson,becm/meson,ernestask/meson,mesonbuild/meson,trhd/meson,becm/meson,pexip/meson,thiblahute/meson,ernestask/meson,becm/meson,becm/meson