Please review: Issue 623 - Add test case and refactor the cleanallruv suite

[Simon Pichugin]

Hi team,
please, review a patch:

https://pagure.io/389-ds-base/issue/623
https://pagure.io/389-ds-base/issue/raw/59ae3de25d0f7dccc880c062c640bf7ef2b3...

Thanks,
Simon