Summary:
Had some horrible dev experience caused by VSCode and Jest not agreeing what snapshots should look like, every time saving a test in VSCode, it would break the jest snapshots. After investigating eslint and prettier, turned out VSCode itself was the culprit. Caused by a global user setting, but this makes sure nobody else runs into it :)
Also made sure Jest uses the correct prettier settings (it didn't before).
Reviewed By: passy
Differential Revision: D22114656
fbshipit-source-id: aef6c278a668bce049c96aba95c7a5101ca840ad