css3/blending/blend-mode-html-element-screen.html ref test doesn't seem to pass Safari renders the test case and expected case differently. However, WebKitTestRunner doesn't catch the failure, it passes because it's using a different setting. bug#243422 is going to match WebKitTestRunner setting.
<rdar://problem/98338861>
253132@main fixed the WebKitTestRunner problem. The test is failing now. https://results.webkit.org/?suite=layout-tests&test=css3%2Fblending%2Fblend-mode-html-element-screen.html