test rename overhaul: step 8 - language tests

tests/language/rethrow_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 program for testing throw statement
 
 class MyException {
   const MyException();
 }
 
 class OtherException {
@@ skipping 41 matching lines @@
       Expect.equals(true, e === currentException);
     }
   }
 }
 
 main() {
   RethrowTest t = new RethrowTest();
   t.testRethrow();
   t.testRethrowPastUncaught();
 }