Bug 1779474 follow-up - Fix a broken test. rs=bustage-fix

--HG--
extra : rebase_source : eb5566aa9f2eda78edb42db486aad80276e65017

calendar/test/browser/recurrence/browser_weeklyWithException.js

@@ -153,7 +153,7 @@ add_task(async function testWeeklyWithExceptionRecurrence() {
 
   eventItem = multiweekView.getItemAt(window, 2, 4, 1);
   icon = eventItem.querySelector(".item-recurrence-icon");
-  Assert.equal(icon.src, "chrome:chrome://messenger/skin/icons/new/recurrence.svg");
+  Assert.equal(icon.src, "chrome://messenger/skin/icons/new/recurrence.svg");
   Assert.ok(!icon.hidden);
 
   // month view