default value for message to suites/tests + minor cleanup
default value for message to suites/tests + minor cleanup

fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework,waldenner/robotframework,waldenner/robotframework