I maintain some tools (mostly open-source) and would like them to work on OS X as well. I run a mixture of Windows and Linux boxes and VMs, and there's no legit

I maintain some tools (mostly open-source) and would like them to work on OS X as well. I run a mixture of Windows and Linux boxes and VMs, and there's no legit way (that I'm aware of) to run OS X inside a VM. Wouldn't this service be good for me, allowing me to easily test my code on OS X? A bit too expensive, though.