diff --git a/addons/purchase/tests/test_purchase.py b/addons/purchase/tests/test_purchase.py
index c585a61e0c4..3ad1a904a5c 100644
--- a/addons/purchase/tests/test_purchase.py
+++ b/addons/purchase/tests/test_purchase.py
@@ -240,6 +240,8 @@ class TestPurchase(AccountTestInvoicingCommon):
 
     def test_with_different_uom(self):
         """ This test ensures that the unit price is correctly computed"""
+        # Required for `product_uom` to be visibile in the view
+        self.env.user.groups_id += self.env.ref('uom.group_uom')
         uom_units = self.env.ref('uom.product_uom_unit')
         uom_dozens = self.env.ref('uom.product_uom_dozen')
         uom_pairs = self.env['uom.uom'].create({