Added Device asset_tag field to API tests
Added Device asset_tag field to API tests

digitalocean/netbox,Alphalink/netbox,digitalocean/netbox,snazy2000/netbox,digitalocean/netbox,rfdrake/netbox,rfdrake/netbox,Alphalink/netbox,digitalocean/netbox,rfdrake/netbox,snazy2000/netbox,lampwins/netbox,lampwins/netbox,Alphalink/netbox,lampwins/netbox,Alphalink/netbox,snazy2000/netbox,snazy2000/netbox,lampwins/netbox,rfdrake/netbox