3. The method of claim 1 , wherein detecting a change to the user interface comprises: comparing a first layout tree associated with the user interface with a second layout tree associated with a new version of the user interface; and determining, based on the comparing, that at least one new user interface element has been added to the user interface.
3. The method of claim 1 , wherein detecting a change to the user interface comprises: comparing a first layout tree associated with the user interface with a second layout tree associated with a new version of the user interface; and determining, based on the comparing, that at least one new user interface element has been added to the user interface. 4. The method of claim 3 , further comprising: notifying a user that new user interface element is currently not being tested.