[SSSD] [sssd PR#802][opened] TESTS: two `negcache` tests were merged

[alexey-tikhonov]

   URL: https://github.com/SSSD/sssd/pull/802
Author: alexey-tikhonov
 Title: #802: TESTS: two `negcache` tests were merged
Action: opened

PR body:
"""
Resolves: https://pagure.io/SSSD/sssd/issue/3989
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/802/head:pr802
git checkout pr802