title: How to put app in background and back to foreground using Selenium on iOS devices?
body: <p>How to put app in background and relaunch in Appium <code>iOS</code> for <code>iOS</code> 9.3 and ios 10.0?
  I've tried runInBackground(10) but it works only for <code>Android</code> not working for <code>iOS</code>.</p>