these tests cover various scenarios such as:
* trying to remove master that would disconnect topology in one of the
suffixes
* forcing master removal regardless of topology state before/after removal
* trying to remove last CA/DNS server/DNSSec key master
* forcing removal of the last DNSSec key master
https://fedorahosted.org/freeipa/ticket/5588
Reviewed-By: Martin Basti <mbasti@redhat.com>
