ipatests: SSSD should fetch external groups without any limit.
When there are more external groups than default limit, then
SSSD should fetch all groups.
Related : https://pagure.io/SSSD/sssd/issue/4058
Signed-off-by: Anuja More <amore@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>