title: How to tap some point on iOS home screen by coordinate with swift/xctest
body: <p>I want to tap some point on iOS home screen with coordinate, the point may be on home screen or any one. How to implement it with swift or xctest. I found some solution like this,<a href="https://i.stack.imgur.com/BaYch.png" rel="nofollow noreferrer">E.g.</a> </p>
  
  <p>But this must launch target application before executing tap action. How could it tap anywhere point on home screen or any uncertain screen?</p>