During ldap nightly syncro with ugroups, if a user have already been searched for a previous group, he will be removed from the other groups.
How to test :
- have a ldap group with 2 users
- have two different groups. Bind them to the ldap group with daily synch but without preserve_members option : the two users are in both groups
- run tuleap daily-job
==> users in one group have disappears.