Cannot load underlying module for 'XCTest' when i am using charts in xcode7.1

[smilydronavalli]

No description provided.

[pmairoldi]

See #599

[clinton-housingman]

This maybe a little late but what you have to do is:

Click on File > New > Target > iOS Unit Testing Bundle.

And then add your tests in there. This worked for me. The problem was that I didn't select create unit tests when I created my project. Hope this helps someone.