应用: 抖音
任务: 运行抖音，检查首页首位的视频，添加评论‘好看！’
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: TYPE
type_text: 好看！
step_id: 4
action: CLICK
step_id: 5
action: STOP