test rename overhaul: step 8 - language tests

tests/language/try_catch_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.
 
 class MyException {
   MyException() {}
 }
 
 class MyException1 extends MyException {
   MyException1() : super() {}
@@ skipping 126 matching lines @@
     test5();
     test6();
     test7();
     test8();
   }
 }
 
 main() {
   TryCatchTest.testMain();
 }