Code review comment for lp:~kdub/content-hub/mir-deprecations

> Thanks Kevin! For the record, I applied the same changes to Online Accounts
> (minus cosmetic changes):
>
> https://code.launchpad.net/~mardy/ubuntu-system-settings-online-accounts/mir-
> deprecations/+merge/317949

Cool, could you suggest a way to test the change? I don't think its covered in the unit tests.