ipatests: Fix expected object classes
Because the sidgen plugin is a postop plugin, it is not
always triggered before the result of an ADD is returned
and the objectclasses of the user may / may not contain
ipantuserattrs.
Fix the expected object classes.
Related: https://pagure.io/freeipa/issue/9062
Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Stanislav Levin <slev@altlinux.org>