TEST: removed sct_convert from testing because still crashing on TRAVIS (but not on local).
TEST: removed sct_convert from testing because still crashing on TRAVIS (but not on local).

Former-commit-id: d09ea4571965ec441ceddf833d9abdd8ec356ab4 [formerly 8280567cc638d9770f510a15380be68f400f04e4]
Former-commit-id: b3da88370086a9edcde5fac327f18c8aa68c252a
Former-commit-id: 6d61ef9a59e26a0ac249fb1d00997fd18f03da3b
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox