def test_scroll(self):
rect = WebElement('div',
style='width:3000px;height:3000px;background:#eee;')
self.tag.appendChild(rect)
yield from asyncio.sleep(self.wait_time)
X = yield from rect.scrollX()
Y = yield from rect.scrollY()
self.assertEqual(X['x'], 0)
self.assertEqual(Y['y'], 0)
rect.scrollTo(200, 200)
yield from asyncio.sleep(self.wait_time)
X = yield from rect.scrollX()
Y = yield from rect.scrollY()
self.assertEqual(X['x'], 200)
self.assertEqual(Y['y'], 200)
