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>

ipatests/test_xmlrpc/test_host_plugin.py

@@ -331,6 +331,12 @@ class TestCRUD(XMLRPC_test):
                 name='sshpubkey', error=u'options are not allowed')):
             command()
 
+    def test_update_shortname(self, host):
+        host.ensure_exists()
+        host.run_command('host_mod', host.shortname,
+                         updatedns=True,
+                         setattr='nshardwareplatform=linux')
+
     def test_delete_host(self, host):
         host.delete()