The test data is based at time 0 (aka 1970), but the broker was started at time `now`. This caused the log cleaner to delete the test data if the tests took slightly too long, despite its generous default configuration.
### Committer Checklist (excluded from commit message) - [ ] Verify design and implementation - [ ] Verify test coverage and CI build status - [ ] Verify documentation (including upgrade notes) [ Full content available at: https://github.com/apache/kafka/pull/5748 ] This message was relayed via gitbox.apache.org for devnull@infra.apache.org
