title: sentestingkit/sentestingkit.h' file not found on Xcode 4.6.x
body: <p>I've got this error which took me a while to solve.</p>
  
  <p>Problem is that the Xcode 4.6.x doesn't recognise this library suddenly without me changing anything.</p>
  
  <p>Because I assume many of you would have same problem I post it here.</p>