CocoaPods/cocoapods-integration-specs — pull request #8 by luisdelarosa (2014-03-31 01:52:17+00:00)
Title: Failing integration test for CocoaPods issue #1449

This is rather large, but it does reproduce the issue quite well.
This uses the AWSiOSSDK pod which has 12 subspecs, resulting in 13 mentions of the prefix header content.