ISerialized .Net, C#, Scrum and agile software development

Running NUnit in an STA thread

While unit testing a WPF Caliburn application, I bumped into the following error:

The calling thread must be STA

and I ended up with a cross-thread exception. When diving into this problem I found that TestDriver.Net actually runs in STA (acronym for Singel Thread Apartment) by default, but  NUnit is not! It is however a fairly simple configuration change to get NUnit running in STA.  Add or update your app.config in your test project with following: