Harness status: OK

Found 6 tests

6 Pass
Pass	testing z-index: calc(2.5 / 2)
Pass	testing z-index: calc(3 / 2)
Pass	testing z-index: calc(3.5 / 2)
Pass	testing z-index: calc(-2.5 / 2)
Pass	testing z-index: calc(-3 / 2)
Pass	testing z-index: calc(-3.5 / 2)