http://www.ranorex.com/support/user-guide-20/flash-flex-testing.html

The Flash/Flex Test Automation Plugin (for Windows Internet Explorer and Firefox) provides a smooth integration with the Ranorex Automation Framework and its tools. You can easily filter, access and validate Flex controls easily using RanoreXPath. You have full access to all the properties and attributes of Flash and Flex elements.
http://www.ranorex.com/support/user-guide-20/flash-flex-testing.html