Actually this wasn't fixed yet: https://github.com/hibernate/hibernate-search/pull/3430#issuecomment-1451613942

Looks like we cannot [Remove workarounds related to HHH-15604 from tests](https://github.com/hibernate/hibernate-search/pull/3430/commits/7c32987eb065c7453eea48a9bba086f9c77f7435) because ORM 5.6 is affected as well. Postponing to Search 7.0.