def METHOD_NAME(self):
    filename = os.path.join(self.data_dir, "test_1.mo")
    new_filename = os.path.join(self.output_dir, "test_1_output_1.mo")
    f = InputParser(filename)
    f.save_as(new_filename)
    # Previous file should be the same as the updated file
    self.assertTrue(filecmp.cmp(filename, new_filename))