Get tests passing

[edalzell]

They don't run right now, ask the core team

[edalzell]

@adnankussair I'd like to get this done as there isn't a functioning test suite for Events right now. Will likely take a day or so.

[edalzell]

Note to self: you can't convert to Pest because the AddonTestCase and/or the PreventsStavingStacheItemsToDisk trait doesn't work.