[epic][y] Improve managing/grouping test suites
We have almost doubled number of the scenarios in the last year and managing those along with descriptions becomes more important.
Therefore we need to solve following problem:
- Scenarios grouping
- Scenarios naming convention
- Single place for the test suites descriptions
See for the reason of tracker change: http://mailman.suse.de/mailman/private/qa-sle/2020-October/002722.html