clitest software package provides performs automatic testing in command lines, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install clitest
clitest is installed in your system.
Make ensure the clitest package were installed using the commands given below,
$ sudo dpkg-query -l | grep clitest *
You will get with clitest package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Miscellaneous |
| Package | clitest |
| Version | 0.3.0-1 |
| Description | performs automatic testing in command lines |
| Sub Section | Miscellaneous |