}
    }

    // Test centralTimeZone reference
    public void test_centralTimeZone() {
        // Test that centralTimeZone is accessible and not null
        TimeZone centralTz = FessUserTimeZoneProcessProvider.centralTimeZone;
        assertNotNull(centralTz);
        assertEquals(TimeZone.getDefault(), centralTz);
    }

    // Test toString method
    public void test_toString() {