应用: 淘宝
任务: 启动淘宝，进入直播频道，搜索热销商品排行榜，把榜首的商品添加到购物车
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK