refs: https://github.com/TryGhost/DevOps/issues/78
Re-introduce parallel browser tests
These were adding in a previous PR, but the difference between local
running tests and using CI introduced failures.
Added additional fixes to ensure the Stripe API key is used in the CLI when running in CI.
no issue
Whilst debugging I discovered that the webhooks weren't being received by some tests, causing them to fail. I added log lines for the output from the webhook server to see if I could fix it, and the bug vanished. I narrowed it down to event listeners on the webhook server fixing it.
I'm not sure exactly how this fixes it, I'm guessing the extra events in the event queue have something to do with it.
refs: https://github.com/TryGhost/DevOps/issues/78
Some tests needed to disconnect Stripe + reconnect, so the code had to be changed to match the new Stripe Connect method.
Some tests in publishing.spec have been modified to work out-of-order, which will enable us to use fullyParallel in future (a change which brings test runs down from 85~ seconds to 50~ seconds).
refs: https://github.com/TryGhost/DevOps/issues/78
Instead of running a single instance of Ghost, we now run an instance of Ghost for each test worker.
This has the unfortunate effect that a test failing will close and restart a new instance of Ghost, but in general will be multiple times faster than sequential execution of tests.
