Fix tests

tests/modules/vpcs/test_vpcs_device.py

@@ -90,10 +90,10 @@ def test_add_nio_binding_tap_no_privileged_access(tmpdir, manager):
     with patch("gns3server.modules.vpcs.vpcs_device.has_privileged_access", return_value=False):
         with pytest.raises(VPCSError):
             vm.port_add_nio_binding(0, {"type": "nio_tap", "tap_device": "test"})
-    assert vm._ethernet_adapter.ports[0] is not None
+    assert vm._ethernet_adapter.ports[0] is None
 
 def test_port_remove_nio_binding(tmpdir, manager):
     vm = VPCSDevice("test", 42, manager, working_dir=str(tmpdir))
     nio = vm.port_add_nio_binding(0, {"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
     vm.port_remove_nio_binding(0)
-    assert vm._ethernet_adapter.ports[0] == None
+    assert vm._ethernet_adapter.ports[0] is None