fixed a few places in the repl-test where it was accessing gui stuff on a non-GUI thread
fixed a few places in the repl-test where it was accessing gui stuff on a non-GUI thread

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