One last test fix?

Author: LaurieCheers-unity

test/test_unity_service.py

@@ -8,7 +8,7 @@ def test_unity_service_send(mock_ros_service):
     mock_tcp_server = mock.Mock()
     unity_service = UnityService("color", mock.Mock(), mock_tcp_server)
     assert unity_service.node_name == "color_service"
-    unity_service.send("test data")
+    unity_service.send("test data", None)
     mock_tcp_server.send_unity_service.assert_called_once()