Update all tests

tests/language/generic_metadata_test.dart

 // Copyright (c) 2016, 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 annotations cannot use type arguments, but can be raw.
 
 class C<T> {
   const C();
 }
 
-@C()          /// 01: ok
-@C<dynamic>() /// 02: compile-time error
-@C<int>()     /// 03: compile-time error
+@C()          //# 01: ok
+@C<dynamic>() //# 02: compile-time error
+@C<int>()     //# 03: compile-time error
 main() {}