Maintenance of [testing] module

Module to maintain

Website: https://school.brainhackmtl.org/modules/testing/

Code: https://github.com/school-brainhack/school-brainhack.github.io/tree/main/content/en/modules/testing

Work to be done

To ease maintenance, I would suggest that we move towards existing materials for teaching software testing and continuous integration. In particular, I believe that "Section 2 : Ensuring Correctness of Software at Scale" of the Carpentries Incubator: Intermediate Research Software Development course matches well with what is included in the current material.

It would also provide an opportunity for us to contribute upstream to Carpentries lesson development on their repo.

cc @htwangtw, who taught this material in this year's Montreal BHS.

Start by reviewing the existing materials in content/en/modules/testing and the published testing module at school.brainhackmtl.org/modules/testing/. Compare them with Section 2 of the Carpentries Incubator's python-intermediate-development course, then identify what should be replaced or adapted and what upstream contribution may be needed. Done means the module has a clear maintenance plan or updated content aligned with the selected Carpentries materials.