Even if it's bunk, if it has to work in space, space is the best place to test it because you can just see if it works or not.
If not, too bad, we wasted $50k on a bit of room on a rocket, who cares.
If yes, it's pretty transformative! We could send a probe to Alpha Centauri and get data back within our lifetime. And then we have to figure out WHY it works.