assertNotNull(balancer);

        // Should return same instance
        assertSame(balancer, channelManager.getLoadBalancer());
    }

    @Test
    void testChannelFailureHandling() throws UnknownHostException {
        InetAddress addr = InetAddress.getByName("192.168.1.100");
        NetworkInterfaceInfo localInterface = new NetworkInterfaceInfo(addr, 1000);