Be more confident about Test::Unit support
Be more confident about Test::Unit support

[ci skip]

drapergem/draper,estum/draper,donaldpiret/draper,krainboltgreene/draper,yui-knk/draper,drapergem/draper,Bastes/draper,outstand/draper,totzyuta/draper,outstand/draper,yui-knk/draper,Bastes/draper,totzyuta/draper,liwangbest/draper,sideci-sample/sideci-sample-draper,SpencerCDixon/draper,chuck-john/draper,turingschool/draper,liwangbest/draper,estum/draper,jianyuan/draper,baberthal/draper,mallikarjunayaddala/draper,chuck-john/draper,turingschool/draper,baberthal/draper,drapergem/draper,mallikarjunayaddala/draper,SpencerCDixon/draper,jianyuan/draper