} catch (Exception e) {
            // Expected - no channels available
            assertTrue(e instanceof ChannelLoadBalancer.NoAvailableChannelException);
        }
    }

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