Allow magic profile name none for configuring test farm tests. (#7069)
Allow magic profile name none for configuring test farm tests. (#7069)

* Allow magic profile name none.

* Naming is hard.

letsencrypt/letsencrypt,stweil/letsencrypt,lmcro/letsencrypt,stweil/letsencrypt,letsencrypt/letsencrypt,lmcro/letsencrypt