def METHOD_NAME(
    self, setup_teardown, file_regression: FileRegressionFixture
):
    """
    Check the worker_results file against what it should be.
    We don't use DataFrameRegression fixture because the results might include
    non-numeric data.
    """
    for case in self.CASES.keys():
        prefix = f'{case}__worker_results'
        outputs = setup_teardown
        file_regression.check(outputs[prefix], basename=prefix)