ComponentUtil.register(new MockSystemHelper(), "systemHelper");
    }

    public void test_serializeParameters() {
        RequestParameter[] params = new RequestParameter[] { new RequestParameter("q", new String[] { "test" }),
                new RequestParameter("lang", new String[] { "en", "ja" }) };
        String encoded = searchHelper.serializeParameters(params);
        assertNotNull(encoded);

                        } catch (final Exception e) {
                            logger.warn("Failed to deserialize search parameters from cookie.", e);
                            return new RequestParameter[0];
                        }
                    }
                }
            }
            return new RequestParameter[0];