sct_testing: print out command execution path
sct_testing: print out command execution path


Former-commit-id: a80e1e677da64046512944551a3686eff1c1a275
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox