应用: 淘宝
任务: 打开淘宝，点开消息，消除消息上的小红点
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: STOP