The PoolProxy.Begin routes to the outer test transaction, so PG NOW() returns the same value for both handler invocations. Comparing notification IDs correctly verifies the notification was deleted and recreated. Also removes unused testify/assert import.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
popertotsandSisyphus
d6a3e30503