diff --git a/repair_refurbish/__manifest__.py b/repair_refurbish/__manifest__.py
index e24b4d64d..a4bbca82b 100644
--- a/repair_refurbish/__manifest__.py
+++ b/repair_refurbish/__manifest__.py
@@ -3,13 +3,13 @@
 {
     "name": "MRP Repair Refurbish",
     "summary": "Create refurbished products during repair",
-    "version": "12.0.1.1.3",
+    "version": "13.0.1.0.0",
     "category": "Manufacturing",
     "website": "https://github.com/OCA/manufacture",
     "author": "ForgeFlow S.L., Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "installable": True,
-    "depends": ["repair",],
+    "depends": ["repair"],
     "data": [
         "views/repair_view.xml",
         "data/stock_data.xml",
diff --git a/repair_refurbish/models/product_template.py b/repair_refurbish/models/product_template.py
index 12fedd3ee..3dad0da48 100644
--- a/repair_refurbish/models/product_template.py
+++ b/repair_refurbish/models/product_template.py
@@ -37,7 +37,6 @@ class ProductTemplate(models.Model):
                 template.product_variant_ids.refurbish_product_id
             )
 
-    @api.multi
     def _inverse_refurbish_product(self):
         for rec in self:
             if len(rec.product_variant_ids) == 1:
diff --git a/repair_refurbish/models/repair.py b/repair_refurbish/models/repair.py
index 0729198f4..ffd04a66a 100644
--- a/repair_refurbish/models/repair.py
+++ b/repair_refurbish/models/repair.py
@@ -41,7 +41,6 @@ class RepairOrder(models.Model):
             self.refurbish_product_id = False
             self.refurbish_location_dest_id = False
 
-    @api.multi
     def _get_refurbish_stock_move_dict(self):
         return {
             "name": self.name,
@@ -71,7 +70,6 @@ class RepairOrder(models.Model):
             ],
         }
 
-    @api.multi
     def action_repair_done(self):
         res = super(
             RepairOrder,
diff --git a/repair_refurbish/tests/test_repair_refurbish.py b/repair_refurbish/tests/test_repair_refurbish.py
index 18437a5a2..8e63894b5 100644
--- a/repair_refurbish/tests/test_repair_refurbish.py
+++ b/repair_refurbish/tests/test_repair_refurbish.py
@@ -17,7 +17,7 @@ class TestMrpMtoWithStock(TransactionCase):
         self.refurbish_loc = self.env.ref("repair_refurbish.stock_location_refurbish")
 
         self.refurbish_product = self.product_obj.create(
-            {"name": "Refurbished Awesome Screen", "type": "product",}
+            {"name": "Refurbished Awesome Screen", "type": "product"}
         )
         self.product = self.product_obj.create(
             {
@@ -26,22 +26,36 @@ class TestMrpMtoWithStock(TransactionCase):
                 "refurbish_product_id": self.refurbish_product.id,
             }
         )
-        self.material = self.product_obj.create({"name": "Materials", "type": "consu",})
+        self.material = self.product_obj.create({"name": "Materials", "type": "consu"})
         self.material2 = self.product_obj.create(
-            {"name": "Materials", "type": "product",}
+            {"name": "Materials", "type": "product"}
         )
         self._update_product_qty(self.product, self.stock_location_stock, 10.0)
 
     def _update_product_qty(self, product, location, quantity):
-        product_qty = self.env["stock.change.product.qty"].create(
+        inventory = self.env["stock.inventory"].create(
             {
-                "location_id": location.id,
-                "product_id": product.id,
-                "new_quantity": quantity,
+                "name": "Test Inventory",
+                "product_ids": [(6, 0, product.ids)],
+                "state": "confirm",
+                "line_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "product_qty": quantity,
+                            "location_id": location.id,
+                            "product_id": product.id,
+                            "product_uom_id": product.uom_id.id,
+                        },
+                    )
+                ],
             }
         )
-        product_qty.change_product_qty()
-        return product_qty
+        inventory.action_start()
+        inventory.line_ids[0].write({"product_qty": quantity})
+        inventory.action_validate()
+        return quantity
 
     def test_01_repair_refurbish(self):
         """Tests that locations are properly set with a product to