test rename overhaul: step 8 - language tests

tests/language/prefix10_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.
 
 #library("Prefix10Test.dart");
 #import("library10.dart", prefix : "lib10");
 #import("library11.dart", prefix : "lib11");
 
 class Prefix10Test {
   static Test1() {
@@ skipping 29 matching lines @@
     Expect.equals(200, lib11.top_level_func11());
   }
 }
 
 main() {
   Prefix10Test.Test1();
   Prefix10Test.Test2();
   Prefix10Test.Test3();
   Prefix10Test.Test4();
 }