def METHOD_NAME(self):
    tempdir = tempfile.mkdtemp()
    tempcsv = os.path.join(tempdir, "temp.csv")
    try:
        toolkit.save_csv(toolkit.load_csv(self.csv_filename), tempcsv)
        csv_list = toolkit.load_csv(tempcsv)
    finally:
        shutil.rmtree(tempdir, ignore_errors=True)
    self.assertEqual(csv_list[0], ["name", "age"])
    self.assertEqual(csv_list[1], ["Tom", "45"])
    self.assertEqual(csv_list[2], ["Jack", "24"])