diff --git a/account_payment_order/tests/test_account_payment.py b/account_payment_order/tests/test_account_payment.py
index 6120563bb..1b4baafca 100644
--- a/account_payment_order/tests/test_account_payment.py
+++ b/account_payment_order/tests/test_account_payment.py
@@ -1,10 +1,12 @@
 # Copyright 2019 ACSONE SA/NV
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
+from odoo.tests.common import tagged
 
 from odoo.addons.account.tests.common import AccountTestInvoicingCommon
 
 
+@tagged("post_install", "-at_install")
 class TestAccountPayment(AccountTestInvoicingCommon):
     @classmethod
     def setUpClass(cls, chart_template_ref=None):
diff --git a/account_payment_order/tests/test_payment_order_inbound.py b/account_payment_order/tests/test_payment_order_inbound.py
index 3b1195697..38be186e2 100644
--- a/account_payment_order/tests/test_payment_order_inbound.py
+++ b/account_payment_order/tests/test_payment_order_inbound.py
@@ -6,7 +6,7 @@
 from datetime import date, timedelta
 
 from odoo.exceptions import UserError, ValidationError
-from odoo.tests.common import Form
+from odoo.tests.common import Form, tagged
 
 from odoo.addons.account.tests.common import AccountTestInvoicingCommon
 
@@ -77,6 +77,7 @@ class TestPaymentOrderInboundBase(AccountTestInvoicingCommon):
         return invoice_form.save()
 
 
+@tagged("post_install", "-at_install")
 class TestPaymentOrderInbound(TestPaymentOrderInboundBase):
     def test_constrains_type(self):
         with self.assertRaises(ValidationError):
diff --git a/account_payment_order/tests/test_payment_order_outbound.py b/account_payment_order/tests/test_payment_order_outbound.py
index e751985c7..99cf6f188 100644
--- a/account_payment_order/tests/test_payment_order_outbound.py
+++ b/account_payment_order/tests/test_payment_order_outbound.py
@@ -6,7 +6,7 @@ from datetime import date, datetime, timedelta
 
 from odoo import fields
 from odoo.exceptions import UserError, ValidationError
-from odoo.tests.common import Form
+from odoo.tests.common import Form, tagged
 
 from odoo.addons.account.tests.common import AccountTestInvoicingCommon
 
@@ -101,6 +101,7 @@ class TestPaymentOrderOutboundBase(AccountTestInvoicingCommon):
         return wizard.new_move_ids
 
 
+@tagged("post_install", "-at_install")
 class TestPaymentOrderOutbound(TestPaymentOrderOutboundBase):
     def test_creation_due_date(self):
         self.mode.variable_journal_ids = self.bank_journal