应用: 饿了么
任务: 打开饿了么，进入购物车，将第一个商品的数量提升到7
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: CLICK
step_id: 5
action: CLICK