--- a/layout/style/test/mochitest.ini
+++ b/layout/style/test/mochitest.ini
@@ -55,16 +55,17 @@ support-files = file_animations_effect_t
 support-files = file_animations_effect_timing_enddelay.html
 [test_animations_effect_timing_iterations.html]
 support-files = file_animations_effect_timing_iterations.html
 [test_animations_event_order.html]
 [test_animations_event_handler_attribute.html]
 [test_animations_iterationstart.html]
 support-files = file_animations_iterationstart.html
 [test_animations_omta.html]
+skip-if = stylo # timeout bug 1341003
 [test_animations_omta_start.html]
 [test_animations_pausing.html]
 support-files = file_animations_pausing.html
 [test_animations_playbackrate.html]
 support-files = file_animations_playbackrate.html
 [test_animations_styles_on_event.html]
 skip-if = stylo # timeout bug 1328505
 support-files = file_animations_styles_on_event.html

--- a/layout/style/test/stylo-failures.md
+++ b/layout/style/test/stylo-failures.md
@@ -38,22 +38,18 @@ Any line which doesn't follow the format
 * test_all_shorthand.html: all shorthand servo/servo#15055 [*]
 * Animation support:
   * test_animations.html [277]
   * test_animations_async_tests.html [3]
   * test_animations_dynamic_changes.html [1]
   * test_bug716226.html [1]
   * test_flexbox_flex_grow_and_shrink.html [16]
   * OMTA
-    * test_animations_effect_timing_duration.html [1]
-    * test_animations_effect_timing_enddelay.html [1]
-    * test_animations_effect_timing_iterations.html [1]
-    * test_animations_iterationstart.html [1]
-    * test_animations_omta.html [1]
-    * test_animations_omta_start.html [1]
+    * test_animations_omta.html [*]
+    * test_animations_omta_start.html [3]
     * test_animations_pausing.html [1]
     * test_animations_playbackrate.html [1]
   * Events:
     * test_animations_event_handler_attribute.html [10]
     * test_animations_event_order.html [12]
   * SMIL Animation
     * test_restyles_in_smil_animation.html [2]
   * Property parsing and computation: