The following css-backgrounds WPT fail because of gradient noise: imported/w3c/web-platform-tests/css/css-backgrounds/background-attachment-fixed-block-002.html imported/w3c/web-platform-tests/css/css-backgrounds/background-attachment-fixed-inline-002.html imported/w3c/web-platform-tests/css/css-backgrounds/background-attachment-fixed-inline-scrolled.html imported/w3c/web-platform-tests/css/css-backgrounds/background-attachment-local-block-002.html imported/w3c/web-platform-tests/css/css-backgrounds/background-attachment-local-inline-002.html imported/w3c/web-platform-tests/css/css-backgrounds/background-gradient-interpolation-003.html imported/w3c/web-platform-tests/css/css-backgrounds/background-image-table-cells-straddling-no-repeat.html imported/w3c/web-platform-tests/css/css-backgrounds/background-rounded-image-clip-002.html
<rdar://problem/135926789>