应用: 抖音
任务: 激活抖音，浏览首页最开始的视频，评价“真不错”
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: 真不错
step_id: 4
action: CLICK
step_id: 5
action: STOP