def test_user_status():
attendance = Attendance(account_id=1)
attendance.status = 'registered'
a = Activity()
a.attendances = [attendance]
assert a.user_status(1) == 'Attendu'
assert a.user_status(2) == 'Statut inconnu'
assert a.is_participant(1)
assert not a.is_participant(2)
