Test preferred challenges not supported
Test preferred challenges not supported

jsha/letsencrypt,bsmr-misc-forks/letsencrypt,jsha/letsencrypt,bsmr-misc-forks/letsencrypt,stweil/letsencrypt,lmcro/letsencrypt,jtl999/certbot,jtl999/certbot,lmcro/letsencrypt,stweil/letsencrypt,letsencrypt/letsencrypt,letsencrypt/letsencrypt