Hello Squez,
The current version of Test Studio still does not offer support for Opera browsers. We support test execution on these browsers:
IE 7 or above
Firefox 2.0 or above (Firefox 4.0 or above as of version 2012.1.411)
Safari 5.0 or above
Chrome 14.0 or above
For more information you can read this article.
All the best,
Velin Koychev
the Telerik team