We don't display the actual mailboxes in the "Your order" section for extra licenses whereas we show them for new G Suite accounts.

Reported by @stephanethomas in Automattic/wp-calypso#45737

The final goal is of this issue is to achieve ~80-100% coverage

here's a todo list of things that require tests (based on the __tests__ folder):

⚠️ List is in progress, I'll be adding new test tasks over time, here are some that you can submit already

• core
  • app
    • app - app.set, app.enable, app.disable ([codecov](https://codecov.io/gh/talentless