Fixes#7785
- [x] Update all integration tests with >1 files to follow the `main` pattern.
- [x] `crypto/eth2_key_derivation/tests`
- [x] `crypto/eth2_keystore/tests`
- [x] `crypto/eth2_wallet/tests`
- [x] `slasher/tests`
- [x] `common/eth2_interop_keypairs/tests`
- [x] `beacon_node/lighthouse_network/tests`
- [x] Set `debug_assertions` to false on `.vscode/settings.json`.
- [x] Document how to make rust analyzer work on integration tests files. In `book/src/contributing_setup.md`
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Tracking a `rust-analyzer.toml` with settings like the one provided in `.vscode/settings.json` would be nicer. But this is not possible yet. For now, that config should be a good enough indicator for devs using editors different to VSCode.
Co-Authored-By: Daniel Ramirez-Chiquillo <hi@danielrachi.com>
Co-Authored-By: Michael Sproul <michael@sigmaprime.io>