REF: moved isct_test_function into script (don't forget to run create_links)
REF: moved isct_test_function into script (don't forget to run create_links)

Former-commit-id: 80b60c6dbefe03bdf020e35c4834113bf8bbfa4e [formerly f4be9be9d6bcf5a0a7c7c76a6bb5b2969b0b4924]
Former-commit-id: 3716e4ca7fb0cfb02f42179157c710987dd07874
Former-commit-id: d0313838381f0479e05a134d19c27aa2fde8cc0c
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox