[Windows] XFAIL Preflight Check Test
[Windows] XFAIL Preflight Check Test

CoreFoundation doesn't have functionality to verify dlls, instead just
returning success. Since the preflight check doesn't throw, the test
fails.

apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation