OSIS-3949 fixed failing random test due to bad type of objects in setUp
OSIS-3949 fixed failing random test due to bad type of objects in setUp

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