test rename overhaul: step 8 - language tests

tests/language/src/Prefix6NegativeTest.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.
-//
-
-#library("Prefix6NegativeTest.dart");
-#import("library10.dart", prefix:"lib10");
-
-class Prefix6NegativeTest {
-  static Test1() {
-    // Variables in the local scope hide the library prefix.
-    var lib10 = 0;
-    var result = 0;
-    result += lib10.Library10.static_func();  // This should fail.
-  }
-}
-
-main() {
-  Prefix6NegativeTest.Test1();
-}