I have a problem debugging an NUnit test from VisualStudio. I created an empty project (Console Application), then I added references to the NUnit library and wrote a simple tes
Have a look at NHarness on CodePlex.
It's a very simple, reflection based, test runner library, that recognises NUnit attributes, and can be run from a project within Visual Studio Express, allowing debug testing.
It currently has a test class level granularity, but method level calls are, supposedly, going to be added soon.