It will get better. Maybe later than sooner. A lot of it is testing; some is habit. Some is simply the way she has learned to interact .

You will have to re-educate her. She won't be a happy camper at first. Practice detachment. She may enjoy pushing your buttons. Eventually it probably will get to you; don't let her see that. (Go scream in the shower if you need to.)

You must be counting down the days now! This is an exciting time.