> It's not a big thing, I'm just checking that CI is run with the option enabled.

What? What does have to do with CI? Clearly this change effect all builds and test runs.

> I don't trust Maven ;-) especially I don't trust that while we refactor poms and such this options stays where it needs to be, as if you remove it no test is going to tell you (unless we include this).

That's just another argument for having this option not as system property, but as a test setup option.