diff --git a/packages/scheduler/src/__tests__/Scheduler-test.js b/packages/scheduler/src/__tests__/Scheduler-test.js
index 0dc9763ac6b0b..d2695d7e04600 100644
--- a/packages/scheduler/src/__tests__/Scheduler-test.js
+++ b/packages/scheduler/src/__tests__/Scheduler-test.js
@@ -247,7 +247,8 @@ describe('SchedulerBrowser', () => {
     });
     runtime.assertLog(['Post Message']);
     cancelCallback(task);
-    runtime.assertLog([]);
+    runtime.fireMessageEvent();
+    runtime.assertLog(['Message Event']);
   });
 
   it('throws when a task errors then continues in a new event', () => {