Test interactive domain -> webroot-map inclusion
Test interactive domain -> webroot-map inclusion

Also factorise test cases

thanatos/lets-encrypt-preview,bsmr-misc-forks/letsencrypt,jsha/letsencrypt,TheBoegl/letsencrypt,brentdax/letsencrypt,brentdax/letsencrypt,thanatos/lets-encrypt-preview,jtl999/certbot,dietsche/letsencrypt,wteiken/letsencrypt,bsmr-misc-forks/letsencrypt,stweil/letsencrypt,dietsche/letsencrypt,DavidGarciaCat/letsencrypt,stweil/letsencrypt,DavidGarciaCat/letsencrypt,mitnk/letsencrypt,letsencrypt/letsencrypt,lmcro/letsencrypt,mitnk/letsencrypt,jsha/letsencrypt,wteiken/letsencrypt,TheBoegl/letsencrypt,jtl999/certbot,lmcro/letsencrypt,letsencrypt/letsencrypt