[SSSD] [sssd PR#5511][synchronized] TEST: Update test docstrings to enable auto polarion updates

[sgoveas]

   URL: https://github.com/SSSD/sssd/pull/5511
Author: sgoveas
 Title: #5511: TEST: Update test docstrings to enable auto polarion updates
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/5511/head:pr5511
git checkout pr5511