def METHOD_NAME(
    conference,
    requests_mock,
    pretix_items,
    pretix_questions,
    pretix_categories,
    pretix_quotas,
):
    for item in pretix_items["results"]:
        item["available_from"] = None
        item["available_until"] = (timezone.now() - timedelta(days=1)).isoformat()
    requests_mock.get(
        "https://pretix/api/organizers/base-pretix-organizer-id/events/base-pretix-event-id/items",
        json=pretix_items,
    )
    requests_mock.get(
        "https://pretix/api/organizers/base-pretix-organizer-id/events/base-pretix-event-id/questions",
        json=pretix_questions,
    )
    requests_mock.get(
        "https://pretix/api/organizers/base-pretix-organizer-id/events/base-pretix-event-id/categories",
        json=pretix_categories,
    )
    requests_mock.get(
        "https://pretix/api/organizers/base-pretix-organizer-id/events/base-pretix-event-id/quotas",
        json=pretix_quotas,
    )
    tickets = get_conference_tickets(conference, "en")
    assert len(tickets) == 0