I did this survey on 5-6 different platforms so far I did not get to much response, but at the react meetup I did get the chance to talk to Juho Vepsäläinen and he was nice enough to send me the link to
survivejs.com/maintenance/code-quality/testing
I also got the response in the G+ community at least one did come up with:
besides that I will give a heads up if I get something new :)