regression.cfg:

- Add stateless_test


[SVN r12560]

test/regression.cfg

@@ -11,4 +11,4 @@ compile-fail libs/function/test/function_test_fail1.cpp
 compile-fail libs/function/test/function_test_fail2.cpp
 run libs/function/test/mixin_test.cpp
 run libs/function/test/policy_test.cpp
-
+run libs/function/test/stateless_test.cpp