REF: now return output after testing
REF: now return output after testing

Former-commit-id: 3479970200e9a25f4ce53bafafc8e3a9c6db2cd8
Former-commit-id: fbbf5374c3246eeb1ca0b7ca94c75e7fc748798a
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox