[FIX] calendar: use a contextual timestamp in test

When the test starts after 00:00:00 UTC, the test fails.

closes odoo/odoo#60891

X-original-commit: c62acb48ac3ae11180a6817321664fb01833d3bd
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>
Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>

addons/calendar/tests/test_calendar.py

@@ -274,7 +274,7 @@ class TestCalendar(SavepointCaseWithUserDemo):
             self.env['res.partner'].create({'name': 'testuser1', 'email': u'alice@example.com'}),
         ]
         partner_ids = [(6, False, [p.id for p in partners]),]
-        now = fields.Datetime.now()
+        now = fields.Datetime.context_timestamp(partners[0], fields.Datetime.now())
         m = self.CalendarEvent.create({
             'name': "mailTest1",
             'allday': False,