title: How to rename a unit test suite in Xcode 8
body: <p>I created the test suite using:</p>
  
  <ol>
  <li><p>File -> New -> Target.</p></li>
  <li><p>Select "iOS Unit Testing Bundle"</p></li>
  </ol>
  
  <p>The test suite is named CalculatorTest3, and I would like to rename it to CalculatorTest. What's the easiest way to do this?</p>