应用: qq音乐
任务: 搜索qq音乐中所有许嵩的歌曲
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 许嵩
step_id: 3
action: CLICK
step_id: 4
action: STOP