Issue 49761 - Fix CI test suite issues
Description:
* Update conftest.py to work correctly on FIPS machine
* Rename single letter variables to avoid conflicts with pdb commands
* Skip some tests on versions < 1.4.1.6 where fix is not available
* Add a timeout after import task is created to avoid failures on slow machines
Relates: https://pagure.io/389-ds-base/issue/49761
Reviewed by: spichugi (Thanks!)