'Ensure the user can only see their own cars in the foreign key dropdown.'

def test_filter_choices_by_request_user(self):

    self.client.force_login(self.superuser)
    response = self.client.get(reverse('admin:admin_widgets_cartire_add'))
    self.assertNotContains(response, 'BMW    M3')
    self.assertContains(response, 'Volkswagen    Passat')
