try {
            // Create Address wrapper for server address
            jcifs.netbios.UniAddress serverUniAddress = new jcifs.netbios.UniAddress(serverAddress);

            // Use default SMB port
            int port = 445;

            // Use default local port (0 means system assigns)
            int localPort = 0;

        assertNotNull(netbiosUnwrapped);
        assertSame(nbtAddress, netbiosUnwrapped);

        // Test unwrap for truly incompatible type
        assertNull(nbtAddress.unwrap(UniAddress.class));
    }

    @Test
    void testFirstCalledName_RegularHostName() {
        // Test firstCalledName with a regular hostname
        mockName = new Name(mockConfig, "MYSERVER", 0x20, null);