make tests pass under travis.
make tests pass under travis.

sudo tests were failing under travis because they were not
being run as root.  this change runs the root tests as root,
and chowns the tests' "tmp" directory back to the original
user to allow the subsequent 'realworld' tests to pass.

frsyuki/bundler,tgxworld/bundler,frsyuki/bundler,sideci-sample/sideci-sample-bundler,patvice/bundler,masarakki/bundler,bundler/bundler,cdwort/bundler,asutoshpalai/bundler,h4ck3rm1k3/bundler,mpapis/bundler,seanlinsley/bundler,mattbrictson/bundler-1,eagletmt/bundler,sideci-sample/sideci-sample-bundler,davydovanton/bundler,jasonkarns/bundler,suhastech/bundler,RochesterinNYC/bundler,davydovanton/bundler,PG-kura/bundler,smlance/bundler,ngpestelos/bundler,RochesterinNYC/bundler,elovelan/bundler,Wirachmat/bundler,bundler/bundler,h4ck3rm1k3/bundler,Teino1978-Corp/Teino1978-Corp-bundler,pivotal-cf-experimental/bundler,roseweixel/bundler,ximus/bundler,mpapis/bundler,zhangkuaiji/bundler,chef/bundler,ligi/bundler,CorainChicago/bundler,masarakki/bundler,anil826/bundler,kohgpat/bundler,cstrahan/bundler,1337807/bundler,pivotal-cf-experimental/bundler,mattbrictson/bundler-1,haonaturel/bundler,jasonkarns/bundler,EasonYi/bundler,haocafes/bundler,jingweno/bundler,seanlinsley/bundler,patvice/bundler,nju520/bundler,elovelan/bundler,PG-kura/bundler,gregkare/bundler,e2/bundler,pjump/bundler,Elffers/bundler,roseweixel/bundler,cstrahan/bundler,pjump/bundler,Teino1978-Corp/Teino1978-Corp-bundler,haonature888/bundler,schaary/bundler,lmtim/bundler,mvz/bundler,gentoo/bundler,byroot/bundler,mdorrance/bundler,smlance/bundler,bronzdoc/bundler,AiyionPrime/bundler,lmtim/bundler,Wirachmat/bundler,JuanitoFatas/bundler,ngpestelos/bundler,chulkilee/bundler,dilumnavanjana/bundler,philnash/bundler,asymmetric/bundler,asymmetric/bundler,byroot/bundler,nju520/bundler,cdwort/bundler,AiyionPrime/bundler,asutoshpalai/bundler,Elffers/bundler,CorainChicago/bundler,mvz/bundler,EthanK28/bundler,danimashu/bundler,christer155/bundler,robinboening/bundler,jaym/bundler,mdorrance/bundler,carpodaster/bundler,jaym/bundler,Eric-Guo/bundler,r7kamura/bundler,gregkare/bundler,wenderjean/bundler,jingweno/bundler,chulkilee/bundler,bronzdoc/bundler,kohgpat/bundler,vemmaverve/bundler,joshsoftware/bundler,suhastech/bundler,steved/bundler,dilumnavanjana/bundler,neslom/bundler,agis-/bundler,anil826/bundler,steved/bundler,schaary/bundler,danimashu/bundler,joshsoftware/bundler,ipmobiletech/bundler,neslom/bundler,tgxworld/bundler,ligi/bundler,twcctz500000/bundler,wenderjean/bundler,haonature/bundler,simplybusiness/bundler,TimMoore/bundler,christer155/bundler,robinboening/bundler,agis-/bundler,carpodaster/bundler,EasonYi/bundler,TimMoore/bundler,simplybusiness/bundler,Eric-Guo/bundler,zhangkuaiji/bundler,ximus/bundler,philnash/bundler,rkh/bundler,EthanK28/bundler,chef/bundler,ipmobiletech/bundler