This test checks to see if we can create and initialize events of various types. This wouldn't work in older versions because we had prototypes hooked up incorrectly.

If the test passes, you should see one line below about each of ten different events being successfully created.

Created an Event object.
Created a UIEvent object.
Created a MouseEvent object.
Created a KeyboardEvent object.
Created a MutationEvent object.
Created an Event object with the old HTMLEvents event type.
Created a UIEvent object with the old UIEvents event type.
Created a MouseEvent object with the old MouseEvents event type.
Created a KeyboardEvent object with the old KeyboardEvents event type.
Created a MutationEvent object with the old MutationEvents event type.