ipatests: test host update using shortname
Add test to ensure that host-mod resolves the FQDN when passing the
shortname of the host being modified.
Related: https://pagure.io/freeipa/issue/8726
Related: https://pagure.io/freeipa/issue/8884
Signed-off-by: Antonio Torres <antorres@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>