- Change the test for ambiguous definitions to be a

tests/language/library1_negative_test.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.
-
-// This test should fail to load because we are importing two libraries
-// which define the same top level name foo, and we are referring to the name.
-
-library Library1NegativeTest.dart;
-import "package:expect/expect.dart";
-import "library1.dart";  // Defines top level variable 'foo'
-import "library2.dart";  // Defines top level variable 'foo'
-
-
-main() {
-  Expect.equals(0, foo); // Reference ambiguous name 'foo'
-}