test rename overhaul: step 8 - language tests

tests/language/library2_negative_test.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.
 
 // This test should fail to load because we are importing two libraries
 // which define the same top level name.
 
 #library("Library2NegativeTest.dart");
 #import("library3.dart");  // imports library2.dart and defines foo/foo1.
 #import("library4.dart");  // imports library2.dart and defines foo/foo1.
 
 main() {
   Expect.equals(0, foo1);
 }