CONSOLE WARNING: Listener added for a 'DOMNodeRemoved' mutation event. This event type is deprecated, and will be removed from this browser VERY soon. Usage of this event listener will cause performance issues today, and represents a large risk of imminent site breakage. Consider using MutationObserver instead. See https://chromestatus.com/feature/5083947249172480 for more information.
Ensures that replaceChild() throws an exception if mutation even handler does something wrong
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS target.replaceChild(newChild, oldChild); threw exception HierarchyRequestError: Failed to execute 'replaceChild' on 'Node': The new child element contains the parent..
PASS successfullyParsed is true
TEST COMPLETE
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