Add test for sssd ad trust lookup with dn in certmaprule
Related to https://pagure.io/SSSD/sssd/issue/3721
Signed-off-by: Sergio Oliveira Campos <seocam@redhat.com>
Reviewed-By: Sumit Bose <sbose@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Anuja More <amore@redhat.com>