Fix VLAN test

Author: lgarber-akamai

linode_api4/objects/linode_interfaces.py

@@ -319,7 +319,8 @@ class LinodeInterface(DerivedBase):
         "updated": Property(is_datetime=True),
         "version": Property(),
         "default_route": Property(
-            mutable=True, json_object=LinodeInterfaceDefaultRoute
+            mutable=True,
+            json_object=LinodeInterfaceDefaultRoute,
         ),
         "public": Property(mutable=True, json_object=LinodeInterfacePublic),
         "vlan": Property(mutable=True, json_object=LinodeInterfaceVLAN),

test/unit/objects/linode_interface_test.py

@@ -233,8 +233,10 @@ def test_update_vlan(self):
             assert m.called
 
             assert m.call_data == {
+                # TODO (Enhanced Interfaces): Ensure this doesn't cause an API validation error.
+                "default_route": {},
                 "vlan": {
                     "vlan_label": "my_vlan_updated",
-                    "ipam_address": "10.0.0.1/24",
+                    "ipam_address": "10.0.0.2/24",
                 },
             }