Moved from MSTest to NUnit. Visual Studio Integration for NUnit can be downloaded here: https://visualstudiogallery.msdn.microsoft.com/0da0f6bd-9bb6-4ae3-87a8-537788622f2d
Using AppDomain.CurrentDomain.BaseDirectory instead of Assembly.GetExecutingAssembly().Location to the determine the location of .docx files and other resources. This method is invariant under the test runner in use.
Resources are set to "Copy if newer" to include them during build.