test(NODE-6836): make broken mongocryptd tests run in CI

[baileympearson]

Description

What is changing?

This PR

• Configures the mongocryptd CI variants to run all tests, not just the FLE tests in npm run check:csfle.
• Fixes up the tests in integration/auto_encrypter.test.ts
  • Some tests were testing crypt_shared behavior. I've moved these into their own suite.
  • Some tests were duplicates of CSFLE prose test 8, which we have implemented in client_side_encryption.prose.test.js.
  • Per Daria's comment on the ticket, I reworked the tests to use an auto encrypted client instead of instantiating AutoEncrypters directly and stubbing state machine methods. This removed all non-mongocryptd related mocking from the tests. The remaining stubs are necessary to simulate particular errors from mongocryptd but they no longer use the mock data.

I believe the remaining tests in this file are valuable - I'm not aware of coverage for this behavior anywhere else in our suite. We probably have implicit coverage (for example - mongocryptd is spawned in our mongocryptd variants in CI and those tests pass), but having explicit tests stating the expected behavior is nice-to-have, so I'm leaving them in. The respawn behavior tests is not tested anywhere else though.

Is there new documentation needed for these changes?

What is the motivation for this change?

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• Ran npm run check:lint script
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