added test_forwarding to Xcode project for iOS unit testing
added test_forwarding to Xcode project for iOS unit testing

hodgeswt/nu,spotify/nu,spotify/nu,hodgeswt/nu,nulang/nu,gcbeyond/nu,heiko-henrich/nutor,jqk6/nu,gcbeyond/nu,heiko-henrich/nutor,nulang/nu,spotify/nu,hodgeswt/nu,nulang/nu,heiko-henrich/nutor,timburks/nu,jqk6/nu,jqk6/nu,gcbeyond/nu,hodgeswt/nu,timburks/nu,timburks/nu,jqk6/nu,heiko-henrich/nutor,spotify/nu,gcbeyond/nu