Unit tests for Status check

[sergiorg-hpc]

In order to establish a collaborative environment for the project, we need unit tests as proposed by @svalat. This would allow us to set restrictions on the master branch, which can help with the status check and verification of pull requests.

See the following link for further information:

https://help.github.com/en/github/administering-a-repository/about-required-status-checks