OSIS-3949 fixed fialing test due to bad typing of EducationGroupYear
OSIS-3949 fixed fialing test due to bad typing of EducationGroupYear

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