Failing reactive integration tests, caused by "Connection unexpectedly closed" #430
Description
Integration tests (for the reactive module) on github sometimes fail with org.springframework.transaction.CannotCreateTransactionException: Could not open R2DBC Connection for transaction caused by io.r2dbc.postgresql.client.ReactorNettyClient$PostgresConnectionClosedException: [08006] Connection unexpectedly closed, see e.g.
- https://github.com/tomorrow-one/transactional-outbox/actions/runs/11659966998/job/32461397988
- https://github.com/tomorrow-one/transactional-outbox/actions/runs/11659966998/job/32466357323
(right now, tests can be retried to be eventually green)