I have been in such a project (nuclear waste recycling). All the refactoring have been postponed until the Y2K project. All the tests had to be performed for th

I have been in such a project (nuclear waste recycling). All the refactoring have been postponed until the Y2K project. All the tests had to be performed for this project. This project should have been boring (very few code was involving date), but because of this huge refactoring, it was interesting. We have removed almost all the technical debt.