Look into DB race condition in tests

[dpopp07]

Ever since adding the test for the seeding module, it has become possible in the tests for two beforeAll hooks to simultaneously create users tables and then when one tries to drop the users table, it fails because there is somehow two. It's a known problem in rethink that they don't plan on solving. We may be able to prevent it from happening.

[jamesvclements]

So ominous