Fix warnings_checker.dart handling of multitests

tests/language/const_evaluation_test.dart

 // Copyright (c) 2014, 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.
 
 // Check that compile-time evaluation of constants is consistent with runtime
 // evaluation.
 
 import 'dart:mirrors';
 
 import 'package:expect/expect.dart';
@@ skipping 20 matching lines @@
     Expect.equals(top_const, top_final);
     Expect.equals(top_final, top_var);
     Expect.equals(top_var, static_const);
     Expect.equals(static_const, static_final);
     Expect.equals(static_final, static_var);
     Expect.equals(static_var, instance_final);
     Expect.equals(instance_final, instance_var);
     Expect.equals(instance_var, local_const);
     Expect.equals(local_const, local_final);
     Expect.equals(local_final, local_var);
-    var metadata = reflectClass(C).metadata[0].reflectee; /// 01: ok
-    Expect.equals(top_const, metadata); //                  /// 01: continued
-    Expect.equals(local_var, metadata); //                  /// 01: continued
+    var metadata = reflectClass(C).metadata[0].reflectee; //# 01: ok
+    Expect.equals(top_const, metadata); //                  //# 01: continued
+    Expect.equals(local_var, metadata); //                  //# 01: continued
   }
 }
 
 void main() {
   new C().test();
 }