assertNotNull(listener.getLastNotification());
        assertEquals(WitnessEventType.CLIENT_MOVE, listener.getLastNotification().getEventType());

        client.close();
    }

    @Test
    void testUnregistration() throws Exception {
        // Setup successful registration
        WitnessRegisterResponse registerResponse = mock(WitnessRegisterResponse.class);
        lenient().when(registerResponse.isSuccess()).thenReturn(true);