test rename overhaul: step 8 - language tests

tests/language/closure_break1_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 for closures.
 
 class ClosureBreak1 {
   ClosureBreak1(this.field);
   int field;
 }
 
@@ skipping 27 matching lines @@
       }
     }
     foo();
     Expect.equals(4, o1.field);
   }
 }
 
 main() {
   ClosureBreak1Test.testMain();
 }