Nope, we don't have that yet.
One factor thing that should largely (but not completely) mitigate the need to test on multiple browsers is the fact that you're developing Flash content. Of course, there will be differences (mostly in the HTML container file!), but I doubt you need to constantly iterate between development and testing on each browser.
You can also use BrowserLab to help test on multiple browsers (and OSes!). I think the beta is currently full, but keep your eye on browserlab.adobe.com