Yet more flaky virtual/threaded/animations expectations.

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
===================================================================
--- LayoutTests/TestExpectations	(revision 168165)
+++ LayoutTests/TestExpectations	(working copy)
@@ -341,12 +341,13 @@
 crbug.com/341435 [ Win ] http/tests/images/image-with-origin-header.html [ Failure ]
 
 crbug.com/248938 virtual/threaded/animations/3d/transform-origin-vs-functions.html [ Pass Failure ]
+crbug.com/248938 [ Linux Win ] virtual/threaded/animations/animation-border-overflow.html [ Pass Timeout ]
 crbug.com/248938 virtual/threaded/animations/animation-direction-normal.html [ Pass ImageOnlyFailure Timeout ]
 crbug.com/248938 virtual/threaded/animations/animation-iteration-event-destroy-renderer.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/animation-offscreen-to-onscreen.html [ Pass Timeout ]
 crbug.com/248938 virtual/threaded/animations/animation-welcome-safari.html [ Pass Failure ]
 crbug.com/248938 virtual/threaded/animations/cascade-important.html [ Pass Timeout ]
-crbug.com/248938 virtual/threaded/animations/change-keyframes.html [ Pass Failure ]
+crbug.com/248938 virtual/threaded/animations/change-keyframes.html [ Pass Failure Timeout ]
 crbug.com/248938 virtual/threaded/animations/change-keyframes-name.html [ Pass Failure Timeout ]
 crbug.com/248938 virtual/threaded/animations/change-one-anim.html [ Pass Failure ]
 crbug.com/248938 [ Win ] virtual/threaded/animations/change-transform-style-during-animation.html [ Pass Timeout ]
@@ -357,10 +358,13 @@
 crbug.com/248938 virtual/threaded/animations/dynamic-stylesheet-loading.html [ Pass Failure Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/generic-from-to.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/keyframe-multiple-timing-functions-transform.html [ Pass Timeout ]
+crbug.com/248938 [ Linux ] virtual/threaded/animations/keyframe-timing-functions.html [ Pass Timeout ]
 crbug.com/248938 [ Win Debug ] virtual/threaded/animations/keyframe-timing-functions-transform.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/keyframes.html [ Pass Timeout ]
+crbug.com/248938 virtual/threaded/animations/keyframes-comma-separated.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/keyframes-invalid-keys.html [ Pass Timeout ]
 crbug.com/248938 virtual/threaded/animations/keyframes-out-of-order.html [ Pass Timeout ]
+crbug.com/248938 [ Linux Win ] virtual/threaded/animations/longhand-timing-function.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/matrix-anim.html [ Pass Timeout ]
 crbug.com/248938 [ Win Debug ] virtual/threaded/animations/missing-values-first-keyframe.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win Debug ] virtual/threaded/animations/missing-from-to-transforms.html [ Pass Timeout ]
@@ -373,6 +377,7 @@
 crbug.com/248938 virtual/threaded/animations/timing-model.html [ Pass Failure ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/transition-and-animation-2.html [ Pass Timeout ]
 crbug.com/248938 virtual/threaded/animations/transition-and-animation-3.html [ Pass Failure Timeout ]
+crbug.com/248938 [ Linux Win ] virtual/threaded/animations/unsigned-underflow.html [ Pass Timeout ]
 crbug.com/248938 [ Linux Win ] virtual/threaded/animations/width-using-ems.html [ Pass Timeout ]
 crbug.com/248938 virtual/threaded/transitions/cancel-and-start-new.html [ Pass Failure ]
 crbug.com/248938 virtual/threaded/transitions/cancel-transition.html [ Pass Failure ]