fixing specs due to joins method check in active record additions
fixing specs due to joins method check in active record additions

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