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Rails devs, what would you've liked to know when you first tried Minitest?

Please vent your frustrations here, so I have even more questions to answer in my tutorial. 😛

Ben Sheldon (he/him)

@remi thanks for asking 😄

- real world mocking and stubbing patterns (involving some deep library object/methods I can't control and no "maybe you should design it differently" neg)
- the block syntax that seems to be specific to Rails, and whether I should use that or not for everything
- how to use the test runner, specifically to track down flakes and order dependency / isolation problems
- if using Factories, how to pattern that in tests.