def METHOD_NAME(self):
    cmd = ['ndctl', 'list']
    cmd_as_str = ' '.join(cmd)
    try:
        proc = sp.run(cmd, stdout=sp.PIPE, stderr=sp.STDOUT,
                      universal_newlines=True)
    except (OSError):
        raise futils.Fail('ndctl is not installed')
    if proc.returncode != 0:
        raise futils.Fail('"{}" failed:{}{}'.format(cmd_as_str, os.linesep,
                                                    proc.stdout))
    if not proc.stdout or proc.stdout.isspace():
        raise futils.Skip('no ndctl namespace set')