FlexUnit 4

You can already now download an alpha-release of FlexUnit 4 from Digital Primates (the group behind Fluint and earlier dpuint), which:

...represents the best features of the FlexUnit project combined with the best features of the Fluint project. It is built on top of a newly created foundation designed to support the latest techniques used in the JUnit testing community, but written for the specific requirements and needs of the Flash Player.

[http://blogs.digitalprimates.net/codeSlinger/index.cfm/2009/5/3/FlexUnit-4-in-360-seconds]

After been working with the Swiz framework for a while now, and been quite fond of the strengths of custom meta-data I was very happy to see the extensive use of the convenient concept. You mark your test cases by [Test]. Instead of overriding setup and teardown methods you can now use the [Before] and [After] metadata. I am very much looking forward to this, and also hope that FlexUnit will contain an improved version of FlexUnitTask for CIServers, like Hudson and TeamCity (which Peter Martin released for the earlier FlexUnit versions).

Read more about FlexUnit4 and see some examples of it in the above link.