Since the tests are run on a per model basis, they are reported on a per model basis.

So the results are reported under sand in this case.

E.g.
https://wmatrix.googleplex.com/testrun/bvt-cq?test_ids=575138374

To entertain changing this, we'd need to introduce the concept of build versus platform as a differentiator.  Possible, but it will take some thought/work.

this works ... see astronaut https://wmatrix.googleplex.com/bvt

this was from making the model name the platform value now