应用: YouTube
任务: 打开YouTube搜索“BBC News”，筛选搜索类型为channel，然后关注第一个channel。打开其主页，查看其playlist中第一个list，对list进行收藏，并进行播放。
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: BBC News
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: CLICK
step_id: 8
action: CLICK
step_id: 9
action: CLICK
step_id: 10
action: SWIPE
step_id: 11
action: CLICK
step_id: 12
action: CLICK
step_id: 13
action: CLICK
step_id: 14
action: CLICK
step_id: 15
action: CLICK
step_id: 16
action: STOP