This data is downsampled sections of CTF data
Within your code's test folder run the following command. Then do git status and add the new submodule link to a commit.
git submodule add https://github.com/nih-megcore/TEST_ctf_data.git test_data
git clone --recurse-submodules YOUR_CODE_REPO
(its messy but it should be reproducible)
datalad install https://github.com/OpenNeuroDatasets/ds004215.git
cd ds004215
git checkout 1.0.2
cd ds004215/sub-ON02747/ses-01/meg
datalad get *.ds
newDs -resample 4 -time 100 160 /data/ds004215/sub-ON02747/ses-01/meg/sub-ON02747_ses-01_task-airpuff_run-01_meg.ds /data/ds004215/sub-ON02747_ses-01_task-airpuff_run-01_meg.ds
newDs -resample 4 -time 100 160 /data/ds004215/sub-ON02747/ses-01/meg/sub-ON02747_ses-01_task-haririhammer_run-01_meg.ds /data/ds004215/sub-ON02747_ses-01_task-haririhammer_run-01_meg.ds
mkdir -p ../PREBIDS/20010101
mv sub-ON02747_ses-01_task-* ../PREBIDS/20010101/
cd ../PREBIDS/20010101/
mvDs sub-ON02747_ses-01_task-airpuff_run-01_meg.ds ABABABAB_airpuff_20010101_001.ds
mvDs sub-ON02747_ses-01_task-haririhammer_run-01_meg.ds ABABABAB_haririhammer_20010101_002.ds
AFNI command to reface MRI data
@afni_refacer_run -input sub-ON02747_ses-01_acq-MPRAGE_T1w.nii.gz -mode_reface_plus -prefix ABABABAB -no_images