应用: 快手
任务: 使用快手，滑动到首页第三个视频，点击‘评论’
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: STOP