ipatests: always try to create A records for hosts in IPA domain
Do not check that host is resolvable.
systemd-resolved creates synthetic records for hosts in /etc/hosts.
If test hosts are listed in /etc/hosts on controller, no A records will
be created.
Related to https://pagure.io/freeipa/issue/8703
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>