应用: 快手
任务: 进入快手，翻到首页第二十个视频，点击“转发”按钮
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: SWIPE
step_id: 3
action: SWIPE
step_id: 4
action: SWIPE
step_id: 5
action: SWIPE
step_id: 6
action: SWIPE