diff --git a/addons/sale/tests/test_onchange.py b/addons/sale/tests/test_onchange.py
index 25a0cd2f1e4..8845e5f7f3f 100644
--- a/addons/sale/tests/test_onchange.py
+++ b/addons/sale/tests/test_onchange.py
@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo.tests.common import TransactionCase
+from odoo.tests import tagged, TransactionCase
 
 
+@tagged('post_install', '-at_install')
 class TestSaleOnchanges(TransactionCase):
 
     def test_sale_warnings(self):