Update cli tests
Update cli tests

  We don't expect to error out if called with no args

VladimirTyrin/letsencrypt,mrb/letsencrypt,g1franc/lets-encrypt-preview,wteiken/letsencrypt,Bachmann1234/letsencrypt,Sveder/letsencrypt,piru/letsencrypt,mitnk/letsencrypt,mitnk/letsencrypt,thanatos/lets-encrypt-preview,xgin/letsencrypt,bsmr-misc-forks/letsencrypt,BKreisel/letsencrypt,BKreisel/letsencrypt,wteiken/letsencrypt,BillKeenan/lets-encrypt-preview,jsha/letsencrypt,martindale/letsencrypt,piru/letsencrypt,mrb/letsencrypt,TheBoegl/letsencrypt,twstrike/le_for_patching,lmcro/letsencrypt,g1franc/lets-encrypt-preview,jtl999/certbot,brentdax/letsencrypt,dietsche/letsencrypt,jtl999/certbot,TheBoegl/letsencrypt,hsduk/lets-encrypt-preview,goofwear/letsencrypt,DavidGarciaCat/letsencrypt,brentdax/letsencrypt,Sveder/letsencrypt,thanatos/lets-encrypt-preview,VladimirTyrin/letsencrypt,Bachmann1234/letsencrypt,xgin/letsencrypt,lbeltrame/letsencrypt,DavidGarciaCat/letsencrypt,sjerdo/letsencrypt,ghyde/letsencrypt,stweil/letsencrypt,twstrike/le_for_patching,lbeltrame/letsencrypt,letsencrypt/letsencrypt,sjerdo/letsencrypt,letsencrypt/letsencrypt,jsha/letsencrypt,kuba/letsencrypt,goofwear/letsencrypt,bsmr-misc-forks/letsencrypt,stweil/letsencrypt,BillKeenan/lets-encrypt-preview,kuba/letsencrypt,dietsche/letsencrypt,martindale/letsencrypt,lmcro/letsencrypt,hsduk/lets-encrypt-preview,ghyde/letsencrypt