* almost all self healing tests

* Add test to ci

* more generous wait to accommodate lower capacity gh runner

* even more generous wait to accommodate gh runner limitations

* extra checks and retries here and there to avoid sleep usage

* always failing primary and sleeps removal

* lint

* verify network cut more thoroughly

* fix network reach test

* new helpers

* new test and treatment to test scenario

* Add function to remove obsolete units from metadata

* service name to use with systemd lib

* better description os tests

* systemd lib import

* new helpers

* segregate workload init and add update status with healing features

* improved torture kit

* removed unused import

* avoid initialisation errors

* typo

* address bug from previous pr

* address pr comments

* addressing pr comments