def METHOD_NAME():
    payload = Payload()
    document_namespace = "https://doc.namespace"
    spdx2_package: Spdx2_Package = package_fixture(
        external_references=[
            ExternalPackageRef(ExternalPackageRefCategory.PACKAGE_MANAGER, "purl", "purl_locator", "purl_comment"),
        ]
    )
    expected_new_package_id = f"{document_namespace}#{spdx2_package.spdx_id}"
    bump_package(spdx2_package, payload, document_namespace, [], [])
    package = payload.get_element(expected_new_package_id)
    assert package.package_url is None
    assert package.external_reference == []
    assert package.external_identifier == [
        ExternalIdentifier(ExternalIdentifierType.PURL, "purl_locator", "purl_comment")
    ]