System.clearProperty(Constants.FESS_CONFIG_PREFIX + falseKey);
        }
    }

    // Test getting array-like configuration values
    @Test
    public void test_get_arrayValues() {
        String arrayKey = "array.values";
        String arrayValue = "value1,value2,value3";

        System.setProperty(Constants.FESS_CONFIG_PREFIX + arrayKey, arrayValue);

        try {