Harness status: OK

Found 8 tests

8 Pass
Pass	dispatchEvent triggers listener added with addListener
Pass	listener added with addListener and addEventListener is called once
Pass	listener added with addListener and addEventListener (capture) is called twice
Pass	removeEventListener removes listener added with addListener
Pass	removeEventListener (capture) doesn't remove listener added with addListener
Pass	removeListener removes listener added with addEventListener
Pass	removeListener doesn't remove listener added with addEventListener (capture)
Pass	capturing event listener fires before non-capturing listener at target