OSIS-2620 remove unused line in unittest
OSIS-2620 remove unused line in unittest

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