Pack Urls and Unit Testing. Problem with my environment?

Question

So I\'ve got this nice little MVVM solution, and things work great. I\'ve got a view model for a header bar that adjusts the icon based on the state of the application, etc. I\'

Answer 1

Building on other answers, here's the (NUnit) code that made my tests go green:

In AssemblyInfo.cs:

[assembly: RequiresSTA]

In its own file:

[SetUpFixture]
public class PreTestSetup
{
    [SetUp]
    public void Setup()
    {
        PackUriHelper.Create(new Uri("reliable://0"));
        new FrameworkElement();
        System.Windows.Application.ResourceAssembly = typeof (App).Assembly;
    }
}

App is my main application class. Any class in the relevant assembly will do, presumably.