diff --git a/partner_invoicing_mode/tests/common.py b/partner_invoicing_mode/tests/common.py
index ce11f2213d3..9e9be2be8c7 100644
--- a/partner_invoicing_mode/tests/common.py
+++ b/partner_invoicing_mode/tests/common.py
@@ -1,9 +1,10 @@
 # Copyright 2020 Camptocamp SA
 # Copyright 2023 ACSONE SA/NV
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from odoo.tests.common import TransactionCase
 
 
-class CommonPartnerInvoicingMode:
+class CommonPartnerInvoicingMode(TransactionCase):
     _invoicing_mode = "standard"
 
     @classmethod
diff --git a/partner_invoicing_mode/tests/test_invoice_mode.py b/partner_invoicing_mode/tests/test_invoice_mode.py
index c628bf2dbc0..fe5daba8549 100644
--- a/partner_invoicing_mode/tests/test_invoice_mode.py
+++ b/partner_invoicing_mode/tests/test_invoice_mode.py
@@ -7,7 +7,6 @@
 
 from odoo import fields
 from odoo.tests import Form
-from odoo.tests.common import TransactionCase
 
 from odoo.addons.queue_job.tests.common import trap_jobs
 
@@ -15,7 +14,7 @@
 from .common import CommonPartnerInvoicingMode
 
 
-class TestInvoiceMode(CommonPartnerInvoicingMode, TransactionCase):
+class TestInvoiceMode(CommonPartnerInvoicingMode):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()