Using freezetime to decorate a TestCase can have strange effects. It looks like an override but monkeypatching the setUpClass/tearDownClass. It started breaking between python 3.10.6 and 3.10.12. See pr message for more details. closes odoo/odoo#137215 Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>