Add unit tests covering Data.init<T>(buffer: Unsafe{Mutable}BufferPointer<T>)
Add unit tests covering Data.init<T>(buffer: Unsafe{Mutable}BufferPointer<T>)

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