CSS Animations: Fix flaky composited-animations-simple.html

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 4f7d585fd510e79ef89c68990c97f4fc973331ff..b315ca2e48eebea6a29416cbd9129cc50d494a9b 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -2343,8 +2343,6 @@ crbug.com/664853 virtual/mojo-loading/webexposed/web-animations-api.html [ Pass
 crbug.com/664855 virtual/scroll_customization/fast/scroll-behavior/main-frame-interrupted-scroll.html [ Pass Failure ]
 crbug.com/664856 virtual/sharedarraybuffer/fast/workers/worker-gc.html [ Pass Failure ]
 
-crbug.com/664857 virtual/threaded/animations/composited-animations-simple.html [ Pass Failure ]
-
 # Possible duplicate of crbug.com/665577
 # crbug.com/664858 virtual/threaded/fast/scroll-behavior/overflow-scroll-animates.html [ Pass Failure ]
 # crbug.com/664858 virtual/threaded/fast/scroll-behavior/smooth-scroll/horizontal-smooth-scroll-in-rtl.html [ Pass Failure ]