Added a THROW test, a "dummy" HALT test (to not have an empty section), a couple of comments and ordered tests (some sections weren't contiquous)
Added a THROW test, a "dummy" HALT test (to not have an empty section), a couple of comments and ordered tests (some sections weren't contiquous)

metaeducation/ren-c-test,metaeducation/ren-c-test,rebolsource/rebol-test,rebolsource/rebol-test