* [web] cleanup archived split-test assignments from user record on login
Co-authored-by: Anna Claire Fields <anna.fields@overleaf.com>
* [migrations] purge archived split tests from all users
Co-authored-by: Anna Claire Fields <anna.fields@overleaf.com>
* [web] add missing mock and update snapshot test
* [web] gracefully access db.users.splitTests
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Co-authored-by: Anna Claire Fields <anna.fields@overleaf.com>
GitOrigin-RevId: bd185074a402556d7b7c812208cf834dd52b27a5