应用: 快手
任务: 打开快手，找到一条点赞的视频，取消点赞
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: SWIPE
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: STOP