Add assertion & refresh tests

Author: lgarber-akamai

test/unit/objects/linode_interface_test.py

@@ -98,3 +98,24 @@ def assert_linode_124_interface_789(iface: LinodeInterface):
         # vlan assertions
         assert iface.vlan.vlan_label == "my_vlan"
         assert iface.vlan.ipam_address == "10.0.0.1/24"
+
+    def test_get_public(self):
+        iface = LinodeInterface(self.client, 123, 124)
+
+        self.assert_linode_124_interface_123(iface)
+        iface.invalidate()
+        self.assert_linode_124_interface_123(iface)
+
+    def test_get_vpc(self):
+        iface = LinodeInterface(self.client, 456, 124)
+
+        self.assert_linode_124_interface_456(iface)
+        iface.invalidate()
+        self.assert_linode_124_interface_456(iface)
+
+    def test_get_vlan(self):
+        iface = LinodeInterface(self.client, 789, 124)
+
+        self.assert_linode_124_interface_789(iface)
+        iface.invalidate()
+        self.assert_linode_124_interface_789(iface)