Update test status and add new tests.

language/src/Library3NegativeTest.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. In this case libraryE.dart is
+// importing libraryC.dart and libraryF.dart which both define variable
+// "fooC".
+
+#library("Library3NegativeTest.dart");
+#import("libraryA.dart");
+#import("libraryB.dart");
+#import("libraryD.dart");
+#import("libraryE.dart");
+
+main() {
+  Expect.equals(0, fooE);
+}