1 PASS mouseEvent.movementX is defined.
2 PASS mouseEvent.movementY is defined.
3 PASS new MouseEvent('eventType', { movementX: 888, movementY: 999 }).movementX is 888
4 PASS new MouseEvent('eventType', { movementX: 888, movementY: 999 }).movementY is 999
5 PASS successfullyParsed is true