[EventTarget-dispatchEvent.html]
  [If the event's initialized flag is not set, an InvalidStateError must be thrown (DeviceMotionEvent).]
    expected: FAIL

  [If the event's initialized flag is not set, an InvalidStateError must be thrown (DeviceOrientationEvent).]
    expected: FAIL

  [If the event's initialized flag is not set, an InvalidStateError must be thrown (DragEvent).]
    expected: FAIL