Minor change to make test names consistent with other tests using ztest.
All test functions need to start with test_.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Because we now return first non VLAN interface if found, the
VLAN disable test case needs adjustment.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Add tests to verify the bit manipulation functions in net/vlan.h
file. Also check that we can check if given network interface has
VLAN enabled or not. Verify also that received network packet
contains correct VLAN tag.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>