Add tests for testing gid and uid with the webroot plugin
Add tests for testing gid and uid with the webroot plugin

They pass.

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