Useful method: fit, it skips all others tests on a file, but a dangerous one, found out yesterday a wrong commit skipping all other tests for weeks without no one noticing.
Good vscode extension: marketplace.visualstudio.com/items...
To prevent these kind of things, you can take a loot at eslint-plugin-jest, especially this rule. It disallows focused tests (the use of .only or fit).
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