Unit test project cannot find assembly under test (or dependencies)

Question

When I try to run my Unit Test project, I get the following error:

Could not load file or assembly \'ASSEMBLY_NAME, Version=1.0.0.0, Culture=neutral, Pub

Answer 1

I had the same issue and found that copying the dll's to the GAC resolved the issue. Though I still don't understand why it doesn't use the referenced projects assemblies.