Add unit test export

Fix #204 (closed)

assigned to @cmoineau

added 36 commits

• 72557bf3...00f9c79b - 34 commits from branch dev
• ee9de485 - Add main for comparison.
• b5472812 - Check if gnuplot is installed before saving stat_folder.

Compare with previous version

enabled an automatic merge when all merge checks for b5472812 pass

approved this merge request

added Unit-test 🧪 label

merged

mentioned in commit c132a8a9