diff --git a/tests/SaleOrderApiTest.py b/tests/SaleOrderApiTest.py
index 497d4a5..d17d8e8 100644
--- a/tests/SaleOrderApiTest.py
+++ b/tests/SaleOrderApiTest.py
@@ -19,6 +19,8 @@ post_sale_order = requests.post(
                 "pickup_location": 'on_site',
                 "lines": [[
                     "create", [{
+                        "product": "1",
+                        "unit": "1",
                         "quantity": "5",
                         "unitprice": "10"
                     }]]]