def METHOD_NAME(self, cmd, args):
    # Retrieve string of setting contents for comparison to input settings
    backup = sys.stdout  # backup the environment
    sys.stdout = StringIO()  # Capture the output of next statement
    main(cmd, args)
    settings = sys.stdout.getvalue()  # release the output and store
    sys.stdout.close()
    # Restore the environment
    sys.stdout = backup
    return settings