Please Review: Issue 49381 - Refactor filter test suite docstrings

[Amita Sharma]

Hello,

Please review my patch for ACL test suite docstrings.

https://pagure.io/389-ds-base/issue/49381

https://pagure.io/389-ds-base/issue/raw/files/874af7491286df4e6699b498729...
<https://pagure.io/389-ds-base/issue/raw/files/b670abf315e22b2695a6a779616...

Thanks & Regards,
Amita