* nxos_vlan refactor to support non structured output Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * unittest fix Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * minor fixes Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * use check_rc Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * address review comment Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * remove additional return statement * address Nate's review Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>