Functional/integration testing tool/frameworks for Flex/Flash based Rich Internet Applications.

Given the emergence of Web 2.0, developers are pushing the limits of what browsers can do.  The original intent of a web browser was to deliver documents to end-users, not applications and thus, protocols and standards to meet this need where designed as such.  Request-Response patterns have moved from full-up page refresh models to incremental interactions similar to thick-client applications.