ipatests: Tests for Autoprivate group.
Added tests using posix AD trust and non posix AD trust.
For option --auto-private-groups=[hybrid/true/false]
Related : https://pagure.io/freeipa/issue/8807
Signed-off-by: Anuja More <amore@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Anuja More <amore@redhat.com>