Test that arrow keys do not dispatch keypress events even if there is no default handler.

To test manually, press arrow keys and verify that no keypress events are logged.

target - type - ctrlKey,altKey,shiftKey,metaKey - key - location - keyCode - charCode
BODY - keydown - false,false,false,false - ArrowLeft - DOM_KEY_LOCATION_STANDARD - 37 - 0
BODY - keyup - false,false,false,false - ArrowLeft - DOM_KEY_LOCATION_STANDARD - 37 - 0