--- a/layout/reftests/transform-3d/reftest.list
+++ b/layout/reftests/transform-3d/reftest.list
@@ -75,17 +75,17 @@ fuzzy-if(cocoaWidget,128,9) == animate-p
 fails-if(webrender) == 1245450-1.html green-rect.html
 fuzzy(1,2000) fails-if(webrender) == opacity-preserve3d-1.html opacity-preserve3d-1-ref.html
 fuzzy(1,15000) == opacity-preserve3d-2.html opacity-preserve3d-2-ref.html
 fuzzy(1,10000) == opacity-preserve3d-3.html opacity-preserve3d-3-ref.html
 fuzzy(1,10000) == opacity-preserve3d-4.html opacity-preserve3d-4-ref.html
 == opacity-preserve3d-5.html opacity-preserve3d-5-ref.html
 fails-if(webrender) == snap-perspective-1.html snap-perspective-1-ref.html
 fails-if(webrender) == mask-layer-1.html mask-layer-ref.html
-skip-if(webrender) == mask-layer-2.html mask-layer-ref.html
-skip-if(webrender) == mask-layer-3.html mask-layer-ref.html
+fails-if(webrender) == mask-layer-2.html mask-layer-ref.html
+fails-if(webrender) == mask-layer-3.html mask-layer-ref.html
 fails-if(webrender) == split-intersect1.html split-intersect1-ref.html
 fuzzy(255,150) fails-if(webrender) == split-intersect2.html split-intersect2-ref.html
 fuzzy(255,100) fails-if(webrender) == split-non-ortho1.html split-non-ortho1-ref.html
 fuzzy-if(winWidget,150,120) fails-if(webrender) == component-alpha-1.html component-alpha-1-ref.html
 fails-if(webrender) == nested-transform-1.html nested-transform-1-ref.html
 fails-if(webrender) == transform-geometry-1.html transform-geometry-1-ref.html
 fails-if(webrender) == intermediate-1.html intermediate-1-ref.html

--- a/layout/reftests/transform/reftest.list
+++ b/layout/reftests/transform/reftest.list
@@ -132,12 +132,12 @@ pref(svg.transform-box.enabled,true) == 
 pref(svg.transform-box.enabled,true) == transform-box-svg-3a.svg pass.svg
 == transform-origin-svg-1a.svg transform-origin-svg-1-ref.svg
 == transform-origin-svg-1b.svg transform-origin-svg-1-ref.svg
 == transform-origin-svg-2a.svg transform-origin-svg-2-ref.svg
 == transform-origin-svg-2b.svg transform-origin-svg-2-ref.svg
 # Bug 1122526
 == animate-layer-scale-inherit-1.html animate-layer-scale-inherit-1-ref.html
 == animate-layer-scale-inherit-2.html animate-layer-scale-inherit-2-ref.html
-random-if(webrender) == animate-layer-scale-inherit-3.html animate-layer-scale-inherit-1-ref.html
+== animate-layer-scale-inherit-3.html animate-layer-scale-inherit-1-ref.html
 # Bug 1301500
 == dynamic-add-without-change-cb-1.html dynamic-add-without-change-cb-1-ref.html
 fuzzy-if(d2d,1,5) == table-overflowed-by-animation.html table-overflowed-by-animation-ref.html