assertEquals("logpath", systemHelper.getLogFilePath());
        } finally {
            System.clearProperty("fess.log.path");
        }
    }

    public void test_getForumLink() {
        getMockRequest().setLocale(Locale.ENGLISH);
        assertEquals("https://discuss.codelibs.org/c/FessEN/", systemHelper.getForumLink());
        getMockRequest().setLocale(Locale.JAPANESE);