diff --git a/l10n_it_fatturapa_out/tests/test_fatturapa_out_noteline.py b/l10n_it_fatturapa_out/tests/test_fatturapa_out_noteline.py
index d27713a90663..a2d054cec475 100644
--- a/l10n_it_fatturapa_out/tests/test_fatturapa_out_noteline.py
+++ b/l10n_it_fatturapa_out/tests/test_fatturapa_out_noteline.py
@@ -5,11 +5,12 @@
 from lxml import etree
 
 from odoo import fields
-from odoo.tests import Form
+from odoo.tests import Form, tagged
 
 from .fatturapa_common import FatturaPACommon
 
 
+@tagged("post_install", "-at_install")
 class TestFatturaOutNoteLine(FatturaPACommon):
     def setUp(self):
         super().setUp()
diff --git a/l10n_it_fatturapa_out/tests/test_fatturapa_xml_validation.py b/l10n_it_fatturapa_out/tests/test_fatturapa_xml_validation.py
index bc2244e68d0d..7cf3b108c125 100644
--- a/l10n_it_fatturapa_out/tests/test_fatturapa_xml_validation.py
+++ b/l10n_it_fatturapa_out/tests/test_fatturapa_xml_validation.py
@@ -9,12 +9,13 @@
 
 from odoo import fields
 from odoo.exceptions import UserError
-from odoo.tests import Form
+from odoo.tests import Form, tagged
 from odoo.tools import mute_logger
 
 from .fatturapa_common import FatturaPACommon
 
 
+@tagged("post_install", "-at_install")
 class TestDuplicatedAttachment(FatturaPACommon):
     def test_duplicated_attachment(self):
         """Attachment name must be unique"""
@@ -35,6 +36,7 @@ def test_duplicated_attachment(self):
         self.assertEqual(ie.exception.pgcode, "23505")
 
 
+@tagged("post_install", "-at_install")
 class TestFatturaPAXMLValidation(FatturaPACommon):
     def setUp(self):
         super(TestFatturaPAXMLValidation, self).setUp()