$ sudo apt-get update
$ sudo apt-get install libmodule-install-extratests-p

libmodule-install-extratests-p is installed in your system.

Make ensure the libmodule-install-extratests-p package were installed using the commands given below,

$ sudo dpkg-query -l | grep libmodule-install-extratests-p*

You will get with libmodule-install-extratests-p package name, version, architecture and description in a table

libmodule-install-extratests-p package basic information: