test rename overhaul: step 8 - language tests

tests/language/src/NativeTest.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-// Dart test program which shows how to write self verifying tests
-// and how to print dart objects if needed.
-
-class Helper {
-  static int foo(int i) {
-    return i + 10;
-  }
-}
-
-class NativeTest {
-  static testMain() {
-    int i = 10;
-    int result = 10 + 10 + 10;
-    i = Helper.foo(i + 10);
-    print("$i is result.");
-    Expect.equals(i, result);
-  }
-}
-
-
-main() {
-  NativeTest.testMain();
-}