Update all tests

tests/language/instantiate_type_variable_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.
 
 // Test that you cannot instantiate a type variable.
 
 class Foo<T> {
   Foo() {}
   T make() {
-    return new T();  /// 01: runtime error
+    return new T();  //# 01: runtime error
   }
 }
 
 main() {
   new Foo<Object>().make();
 }