test rename overhaul: step 8 - language tests

tests/language/savannah_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.
 // Dart test using an identity hash.
 
 interface BigGame extends Hashable {
   final String name;
 }
 
 class Giraffe implements BigGame {
@@ skipping 64 matching lines @@
       caught = true;
     }
     Expect.equals(true, caught);
   }
 
 }
 
 main() {
   SavannahTest.testMain();
 }