def METHOD_NAME(
    api_client,
    service,
    observable_property,
    unit_latest_observation_both_expired_and_not_expirable,
):
    url = reverse("unit-list") + "?service={}&include=observations".format(service.pk)
    response = api_client.get(url)
    unit_data = response.data.get("results")[0]
    observations = unit_data.get("observations")
    assert len(observations) == 1
    observation = observations[0]
    assert observation["property"] == "notice"
    assert observation["value"]["fi"] == "Description"
    assert (
        observation["id"]
        == unit_latest_observation_both_expired_and_not_expirable[
            "not_expirable"
        ].observation.id
    )