The memory_stress_ng test is part of the plainbox-provider-checkbox package which can be installed from the hardware-certification PPA:
https://code.launchpad.net/~hardware-certification/+archive/ubuntu/public
The full path once installed is: /usr/lib/plainbox-provider-checkbox/bin/memory_stress_ng
The memory_stress_ng test is part of the plainbox- provider- checkbox package which can be installed from the hardware- certification PPA:
https:/ /code.launchpad .net/~hardware- certification/ +archive/ ubuntu/ public
The full path once installed is: plainbox- provider- checkbox/ bin/memory_ stress_ ng
/usr/lib/