 }
 
 StringTests.test("stringCoreReserve")
-  .skip(.LinuxAny(reason: "Foundation dependency"))
+  .skip(.NativeRuntime("Foundation dependency"))
   .code {
 #if _runtime(_ObjC)
   for k in 0...5 {

// Validate that index conversion does something useful for Cocoa
// programmers.
StringTests.test("indexConversion")
  .skip(.LinuxAny(reason: "Foundation dependency"))
  .code {
#if _runtime(_ObjC)
  let re : NSRegularExpression

}

StringTests.test("hasPrefix")
  .skip(.NativeRuntime("String.hasPrefix undefined without _runtime(_ObjC)"))
  .code {
#if _runtime(_ObjC)
  expectFalse("".hasPrefix(""))
