* add acceptance tests for bad urls
* fix 500 from health check when smoke test userId is undefined
* handle exception from invalid urls in ExpressLocals middleware
* Add return statement before `next()`
* Cleaned up list of crash_test_urls.txt
* Return 400 instead of 404 on parsing errors
---------
Co-authored-by: mserranom <mserranom@gmail.com>
GitOrigin-RevId: dac35b07d1f12bd9ceb70e3064ec2ef8393f99b5