应用: 拼多多
任务: 启动拼多多，找到家电频道，浏览空气净化器排行榜，看看第8名是什么品牌
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: SWIPE
step_id: 5
action: SWIPE
step_id: 6
action: STOP