Update all tests

tests/language/vm/debug_break_enabled_vm_test.dart

 // Copyright (c) 2015, 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.
 // VMOptions=--optimization-counter-threshold=5 --enable-debug-break --no-background-compilation
 
 // Verify that the optimizer does not trip over the debug break (StopInstr).
 
 test(i) {
   if (i.isOdd) {
     break "never_hit";
   }
   // "crash" is not an allowed outcome specifier.
   // Use "ok" instead and mark the status file with "Crash, OK".
   if (i == 18) {
-    break "hit";   /// 01: ok
+    break "hit";   //# 01: ok
   }
 }
 
 void main() {
   for (var i = 0; i < 20; i += 2) {
     test(i);
   }
 }