Add tests for new error
Add tests for new error

lucasallan/boulder,patf/boulder,mehmooda/boulder,jcjones/boulder,letsencrypt/boulder,sophie-h/boulder,jfrazelle/boulder,mehmooda/boulder,patf/boulder,benileo/boulder,bmw/boulder,hlandauf/boulder,mehmooda/boulder,mehmooda/boulder,r0ro/boulder,ZCloud-Firstserver/boulder,benileo/boulder,r0ro/boulder,lucasallan/boulder,ZCloud-Firstserver/boulder,jfrazelle/boulder,ZCloud-Firstserver/boulder,jfrazelle/boulder,bmw/boulder,bmw/boulder,ibukanov/boulder,jsha/boulder,hlandauf/boulder,hlandauf/boulder,jsha/boulder,jcjones/boulder,patf/boulder,lucasallan/boulder,r0ro/boulder,benileo/boulder,patf/boulder,sophie-h/boulder,ibukanov/boulder,sophie-h/boulder,letsencrypt/boulder,r0ro/boulder,jcjones/boulder,jfrazelle/boulder,letsencrypt/boulder,ZCloud-Firstserver/boulder,ibukanov/boulder,hlandauf/boulder,jcjones/boulder,benileo/boulder,jsha/boulder