应用: 日历
任务: 打开日历，添加倒计时“考试还有30天”
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: TYPE
type_text: 考试还有30天
step_id: 5
action: CLICK
step_id: 6
action: STOP