Harness status: OK

Found 3 tests

1 Pass
2 Fail
Pass	Dynamic changes to `display` causing blockification of children are handled correctly
Fail	Dynamic changes to `display` from `grid` to `block` should cause children to get de-blockified despite being children of `display: contents` elements
Fail	Dynamic changes to `display` from `block` to `grid` should cause children to get blockified despite being children of `display: contents` elements