// IPv6 tests
        assertFalse(addr6.isIPv4());
        assertTrue(addr6.isIPv6());
        assertEquals(WitnessNotification.WitnessIPAddress.IPV6, addr6.getFlags());
    }

    @Test
    void testDifferentEventTypes() {
        for (WitnessEventType eventType : WitnessEventType.values()) {
            WitnessNotification testNotification = new WitnessNotification(eventType, "Resource" + eventType.getValue());