make triplets test use correct dimension
make triplets test use correct dimension

nextml/NEXT,kgjamieson/NEXT,nextml/NEXT,sumeetsk/NEXT,sumeetsk/NEXT,kgjamieson/NEXT,nextml/NEXT,nextml/NEXT,sumeetsk/NEXT,kgjamieson/NEXT,kgjamieson/NEXT,sumeetsk/NEXT