Tests that the EventTarget API is no longer working on detached frames.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


addEventListenerFunction.call(childWindow, 'myevent', function() { callbackCalled = true; });
PASS dispatchEventFunc.call(childWindow, new Event('myevent')) is undefined.
PASS callbackCalled is false
PASS successfullyParsed is true

TEST COMPLETE