Update minitest to version 5.8.0
Update minitest to version 5.8.0

codeforamerica/follow-all,codeforamerica/follow-all,BryanH/follow-all,jasnow/follow-all,BryanH/follow-all,BryanH/follow-all,codeforamerica/follow-all,jasnow/follow-all,jasnow/follow-all