应用: 短信
任务: 打开短信，创建群发短信“你好”给前三个联系人
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: CLICK