应用: 今日头条
任务: 启动今日头条，进入商城，翻到第四个页面看看有什么好货
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