8ea8f8b ipatests: test removing last KRA when it is not running

Authored and Committed by rcritten 2 years ago
    ipatests: test removing last KRA when it is not running
    
    Use the new role-based mechanism, one that doesn't rely
    on direct communication to the server, to determine whether
    the server being removed by `ipa server-del` contains the
    last KRA server.
    
    https://pagure.io/freeipa/issue/8397
    
    Signed-off-by: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Francois Cami <fcami@redhat.com>