CI: use --setup-kra with replica installation
    
    Currently tests were not testing one-step installation of KRA together
    with replica. Adding --setup-kra to replica installation instead of
    calling ipa-kra-install after.
    
    https://fedorahosted.org/freeipa/ticket/6088
    
    Reviewed-By: Pavel Vomacka <pvomacka@redhat.com>