Could you please also add a unit test to see the behavior of the new method?

Thank you very much!

Could you please also add a unit test to see the behavior of the new method?

Thank you very much!

This PR will require changes in wechaty-puppet first.@huan Could you confirm that this design is fine with you? Becuase I find it not very elegant.

this.wechaty.puppet.roomAnnounce(this.id,finalText,false,metionList.map(c=>c.id)}