Fix dashboard failure in test-write
There was a bug in !118 (merged) that didn't correctly handle vector fields. But that wasn't discovered until merging !120 (merged) (because that branch wasn't based on the branch for the first MR).
There was a bug in !118 (merged) that didn't correctly handle vector fields. But that wasn't discovered until merging !120 (merged) (because that branch wasn't based on the branch for the first MR).