def METHOD_NAME(self, pudl_datastore_fixture):
    """Spot check extraction of eia860 excel files."""
    extractor = pudl.extract.eia860.Extractor(pudl_datastore_fixture)
    page = "ownership"
    year = 2018
    if (
        "Ownership"
        not in extractor.load_excel_file(page="ownership", year=2018).sheet_names
    ):
        raise AssertionError(f"page {page} not found in datastore for {year}")