I'm not so sure that a software engineer who doesn't have any time (because you know, family) or desire (because it's unpaid work) to spend on open source softw

I'm not so sure that a software engineer who doesn't have any time (because you know, family) or desire (because it's unpaid work) to spend on open source software would suddenly find it OK to spend more than short amounts of time on a company's test project -- especially if they have a job or clients or any type of regular work lined up.