// Clean up system property
            System.clearProperty(Constants.FESS_CONFIG_PREFIX + testKey);
        }
    }

    // Test caching mechanism
    @Test
    public void test_get_caching() {
        // Get property twice to test caching behavior
        String testKey = "domain.title";
        String value1 = fessConfig.get(testKey);
        String value2 = fessConfig.get(testKey);