fix test so that labels can be regexps (as was already documented) and tidy up framework/test docs
fix test so that labels can be regexps (as was already
documented) and tidy up framework/test docs

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket