XCTest Xcode 8.3 macOS API Differences

XCTDarwinNotificationExpectation.h
Added XCTDarwinNotificationExpectationHandler
XCTestCase.h
Modified XCTestCase
Protocols
Fromnone
ToXCTWaiterDelegate

XCTestCase+AsynchronousTesting.h
XCTestDefines.h
Added #def XCT_WARN_UNUSED
XCTestExpectation.h
XCTKVOExpectation.h
XCTNSNotificationExpectation.h
XCTNSPredicateExpectation.h
XCTWaiter.h
Added XCTWaiterResult
Added XCTWaiter
XCUIElement.h