pmqtest: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/pmqtest - from package: rt-tests

You may install the required package with command apt-get install {package}

Error in other languages:
pmqtest: bevel nie gevind nie
pmqtest: comandă negăsită
pmqtest: comando não encontrado
pmqtest: commande introuvable
pmqtest: command not found
pmqtest: käsku ei ole
pmqtest: không tìm thấy lệnh
pmqtest: komanda nerasta
pmqtest: Kommando nicht gefunden.
pmqtest: kommandot finns inte
pmqtest: komut yok
pmqtest: nie znaleziono polecenia
pmqtest: níor aimsíodh an t-ordú
pmqtest: no se encontró la orden
pmqtest: no s'ha trobat l'ordre
pmqtest: opdracht niet gevonden
pmqtest: parancs nem található
pmqtest: perintah tidak ditemukan
pmqtest: príkaz nenájdený
pmqtest: příkaz nenalezen
pmqtest: команда не найдена
pmqtest: командата не е открита
pmqtest: 命令找不到
pmqtest: コマンドが見つかりません