Also removed the sdk 'feature' in favour of the more specific objc_interop. Swift SVN r24856
Most tests were using %swift or similar substitutions, which did not include the target triple and SDK. The driver was defaulting to the host OS. Thus, we could not run the tests when the standard library was not built for OS X. Swift SVN r24504
Swift SVN r17964
This is unfortunately platform-specific, and swift-ide-test doesn't have a -resource-dir flag right now. <rdar://problem/16335808> Swift SVN r16037