title: Anyone done an Objective-C Xode version of Osherove´s TDD Kata "String Calculator"?
body: <p>Always trying to code better and I am interested in doing TDD for Objective-C and Xcode.<br/>
  Do you know any post that implement something like <a href="http://osherove.com/tdd-kata-1/" rel="nofollow noreferrer">Roy Osherove´s "String Calculator"-Kata</a><br/></p>
  
  <p>Update: <a href="https://stackoverflow.com/questions/3743427/how-to-speed-up-tdd-flow-with-ios-and-objective-c-xcode">trying to find out how to speed up TDD on iOS</a> </p>