adjust raco test so it test the command-line arguments to the empty vector before running anything
adjust raco test so it test the command-line
arguments to the empty vector before running anything

original commit: 2b7c6e32a9c529ddcdeac58cbb4f652f9f76e164

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