应用: 抖音
任务: 打开抖音，浏览首页第三个视频，点击转发按钮
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: SWIPE
step_id: 2
action: SWIPE
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: STOP