Automate the most important bits of the Icedove tests
This should be enough: set up an account with the configuration wizard, check email over IMAP and POP, send email over SMTP, all this using one server (no need to do clearnet + Onion service).
Feature Branch: test/6304-icedove-tests
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information