remove dwi2noise test Note that the testing data, essentially noise.mif, is also used for the mrcrop tests; so it wasn't deleted.
remove dwi2noise test
Note that the testing data, essentially noise.mif, is also used for the mrcrop tests; so it wasn't deleted.

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3