def METHOD_NAME(self):
    run = TrecRun(os.path.join(self.root, 'tests/resources/simple_trec_run_filter.txt'))
    qrels = Qrels(os.path.join(self.root, 'tools/topics-and-qrels/qrels.covid-round1.txt'))
    run.retain_qrels(qrels, clone=True).save_to_txt(output_path=self.output_path)
    self.assertTrue(filecmp.cmp(os.path.join(self.root, 'tests/resources/simple_trec_run_keep_verify.txt'),
                                self.output_path))