OSIS-2379 : add test to check if useless common are deleted
OSIS-2379 : add test to check if useless common are deleted

uclouvain/osis,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/OSIS-Louvain