       subject.on 'change:current-result', handler = jasmine.createSpy()
 
       buffer.insert([1, 23], "o")
-      advanceClock(buffer.stoppedChangingDelay+2)
+      advanceClock(buffer.stoppedChangingDelay)
 
       expect(handler).toHaveBeenCalled()
       result = handler.mostRecentCall.args[0]

      subject.on 'add:markers', addHandler = jasmine.createSpy()

      buffer.insert([1, 10], "items")
      advanceClock(buffer.stoppedChangingDelay+2)

      expect(subject.markers.length).toEqual 7
      expect(addHandler).toHaveBeenCalled()

      subject.on 'change:current-result', matchHandler = jasmine.createSpy()

      buffer.insert([1, 10], "items")
      advanceClock(buffer.stoppedChangingDelay)

      expect(matchHandler).toHaveBeenCalled()
      arg = matchHandler.mostRecentCall.args[0]
