Update rack-test dependency to version 0.6.2
Update rack-test dependency to version 0.6.2

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