应用: 淘宝
任务: 打开淘宝,搜索“ipad mini 4"，进入商品详情页，浏览评论
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: ipad mini 4
step_id: 3
action: CLICK
step_id: 4
action: CLICK