Created by: bobheadxi
Unify error assertions on standard library implementations, instead of cockroachdb implementations - the UnwrapOnce in that library supports Cause for back-compat, but Cause can have many meanings it seems
UnwrapOnce
Cause
Discussion: https://sourcegraph.slack.com/archives/CHXHX7XAS/p1649709835518209
TODO
Push commits to the source branch or add previously merged commits to review them.
