test rename overhaul: step 8 - language tests

tests/language/src/NamedParameters3Test.dart

-// Copyright (c) 2012, 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 for testing named parameters.
-// Specifying named argument for not existing named parameter is run time error.
-
-int test(int a, [int b]) {
-  return a;
-}
-
-main() {
-  bool foundError = false;
-  try {
-    test(10, x:99);  // 1 positional arg, as expected. Param x does not exist.
-  } catch (Exception e) {
-    foundError = true;
-  }
-  Expect.equals(true, foundError);
-}