TEST: isct_test_function: fixed #627
TEST: isct_test_function: fixed #627

Former-commit-id: 9c79249840b50975b791297fdad815643d0994e2 [formerly e2a4e08933d4a38fc5421ca766ebc786f204bfd8]
Former-commit-id: 939e304f4ba40d384954be945906b9c33bbf4405
Former-commit-id: 7fa8fcda717df231c1e1e4482f5d17c34c0c842a
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox