def METHOD_NAME(
    setup_env,
):
    image_store = image.ImageStore(provider="testing_provider")
    image_store.add_item(
        foreign_identifier="01",
        foreign_landing_url="https://images.org/image01",
        url="https://images.org/image01.jpg",
        license_info=PD_LICENSE_INFO,
    )
    image_store.add_item(
        foreign_identifier="02",
        foreign_landing_url="https://images.org/image02",
        url="https://images.org/image02.jpg",
        license_info=PD_LICENSE_INFO,
    )
    image_store.add_item(
        foreign_identifier="03",
        foreign_landing_url="https://images.org/image03",
        url="https://images.org/image03.jpg",
        license_info=PD_LICENSE_INFO,
    )
    image_store.add_item(
        foreign_identifier="04",
        foreign_landing_url="https://images.org/image04",
        url="https://images.org/image04.jpg",
        license_info=PD_LICENSE_INFO,
    )
    assert len(image_store._media_buffer) == 4