w3c/csswg-test — pull request #407 by mihaitica (2014-01-16 13:28:35+00:00)
Title: Implement first test of the mix-blend-mode test plan found at http://mire.github.io/css-blending-test-plan-proposal/css-blending-test-plan-proposal.html#test-cases-for-mix-blend-mode

First test that checks whether an element with mix-blend-mode applied creates a stacking context or not.