def METHOD_NAME():
    response_json = _get_resource_json("full_image_object.json")
    image_url = fm._get_image_url(response_json)
    expected_image_url = "https://api.finna.fi/Cover/Show?id=museovirasto.CC0641BB5337F541CBD19169838BAC1F&index=0&size=large"
    assert image_url == expected_image_url