Narrow suppression of animation tests to MacOS

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index 3d9b0a6377e1f4a6de5d87af79f17d5f03266af8..9466b5b690c340e3a579d22bdd350de364dfe79e 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -102,8 +102,12 @@ element_types_test/supported_meter: RuntimeError # Issue 18573
 
 [ $runtime == chrome ]
 touchevent_test/supported: Fail # Touch events are only supported on touch devices
+
+[ $runtime == chrome && $system == macos ]
 element_animate_test/omit_timing: Skip # Timing out on MacOS. Issue 23507
 element_animate_test/timing_dict: Skip # Timing out on MacOS. Issue 23507
+transition_event_test/functional: Skip # Times out. Issue 22167
+request_animation_frame_test: Skip # Times out. Issue 22167
 
 [$runtime == drt || $runtime == dartium || $runtime == chrome || $runtime == chromeOnAndroid || $runtime == ContentShellOnAndroid ]
 webgl_1_test: Pass, Fail # Issue 8219
@@ -134,8 +138,6 @@ notification_test/supported_notification: Fail # Notification not supported on I
 event_test: RuntimeError # Issue 23437. Only three failures, but hard to break them out.
 wheelevent_test: RuntimeError # Issue 23437
 text_event_test: RuntimeError # Issue 23437
-
-[$runtime == ie10 || $runtime == ie11 || ($runtime == chrome && $system == macos)]
 transition_event_test/functional: Skip # Times out. Issue 22167
 request_animation_frame_test: Skip # Times out. Issue 22167