ipatests/test_xmlrpc/tracker/server_plugin.py: Increase hard coded mindomainlevel
The hard coded mindomainlevel needs to be increased to 1.
See: https://pagure.io/freeipa/issue/7669
Signed-off-by: Thomas Woerner <twoerner@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>