diff --git a/starboard/win/win32/cobalt/configuration.py b/starboard/win/win32/cobalt/configuration.py
index 831e13502ba5..9990bf4cae62 100644
--- a/starboard/win/win32/cobalt/configuration.py
+++ b/starboard/win/win32/cobalt/configuration.py
@@ -41,6 +41,7 @@ def GetWebPlatformTestFilters(self):
           'TaskTraits*',
           'FileTest.Length',
           'All/SequenceManagerTest.DelayedTasksDontBadlyStarveNonDelayedWork_SameQueue/WithMessagePumpAlignedWakeUps',  # pylint: disable=line-too-long
+          'All/SequenceManagerTest.DelayedTasksDontBadlyStarveNonDelayedWork_SameQueue/WithMockTaskRunner',  # pylint: disable=line-too-long
       ],
       'renderer_test': [
           # Flaky test is still being counted as a fail.