New file. A script invoking loadable test.

+# -*- sieve -*-
+# This file is part of Mailutils testsuite.
+# Copyright (C) 2002, Free Software Foundation.
+# See file COPYING for distribution conditions.
+
+require "test-numaddr";
+
+if numaddr [ "to", "cc" ] :over 5
+  {
+    discard;
+  }