CI: Add tuntap to test
    
    Sample run
    
    ```
    
    ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
    ::   Test
    ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
    
    :: [ 17:14:21 ] :: [   LOG    ] :: ip tuntap tests
    :: [ 17:14:21 ] :: [  BEGIN   ] :: Running '/usr/bin/python3 /usr/bin/ip-tuntap-tests.py'
    test_add_tap (__main__.IPTuntapTests) ... fopen /sys/class/net/ip6gre0/tun_flags: No such file or directory
    fopen /sys/class/net/wlan0/tun_flags: No such file or directory
    ok
    
    ok
    test_add_tun_user_group (__main__.IPTuntapTests) ... fopen /sys/class/net/ip6gre0/tun_flags: No such file or directory
    ok
    
    ----------------------------------------------------------------------
    Ran 3 tests in 0.049s
    
    OK
    :: [ 17:14:21 ] :: [   PASS   ] :: Command '/usr/bin/python3 /usr/bin/ip-tuntap-tests.py' (Expected 0, got 0)
    ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
    ::   Duration: 0s
    ::   Assertions: 1 good, 0 bad
    ::   RESULT: PASS
    
    ```