Are you using the latest NUnit, with its "Project" capabilities? If so, you probably just want to add the main MM DLL to the project -- (Mere Mortals Framework.dll). It sounds like the app you've built for your test suite can't resolve all the way up the inheritance hierarchy.

J

>For those familiar with NUnit the test runs fine when I run it in Addin mode. But, when I use the Gui I'm getting the following error:
>
>Acme.OrderSystem.Business.TestOrders.TestAppRunning : System.IO.FileNotFoundException : File or assembly name mmApplication, or one of its dependencies, was not found.
>
>I can't see what this is referring to, has anyone come across this?