test rename overhaul: step 8 - language tests

tests/language/library3_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. 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");
+#import("library_a.dart");
+#import("library_b.dart");
+#import("library_d.dart");
+#import("library_e.dart");
 
 main() {
   Expect.equals(0, fooE);
 }