Compatibility fix for using cancan with rspec-instafail and rspec1
Compatibility fix for using cancan with rspec-instafail and rspec1

StartupWeekend/cancan,0612800232/cancan,mattbrictson/cancan,adamliesko/cancancan,jackquack/cancan,VoroninNick/cancan,NelsonScott/cancancan,MetricMike/cancancan,Ahnita/cancancan,dgynn/cancancan,CanCanCommunity/cancancan,nerde/cancancan,uversity/cancan,antonifs/cancan,dima4p/cancancan,coorasse/cancancan,jhawthorn/cancancan,ryanb/cancan,tiarly/cancancan,neomadara/cancancan,mv288/cancan,xbits/cancan,moss-zc/cancan,greenriver/cancan,macmartine/cancancan-ruby,roaaangel/cancancan,gdpelican/cancancan,GeorgeZhukov/cancancan,phallguy/cancancan,chadzilla2080/cancan,chadzilla2080/cancancan,mccraigmccraig/cancan,docount/cancan,chenxin0723/cancancan,ReaxDev/cancancan,sideci-sample/sideci-sample-cancan