test rename overhaul: step 8 - language tests

tests/language/label8_negative_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.
 // Labels aren't allowed in front of { for switch stmt
 
 
 class Label8NegativeTest {
   static errorMethod() {
     int i;
     // grammar doesn't currently allow label on block for switch stmt.
     switch(i) L: {
       case 111:
         while (doAgain()) {
           break L;
       }
       i++;
     }
   }
   static testMain() {
     Label8NegativeTest.errorMethod();
   }
 }
 
 
 main() {
   Label8NegativeTest.testMain();
 }