Step by step walk through to add the Unit Tests project to an existing project. Does not cover building new or running unit tests.
Right click on your base project folder (the one containging the .sln -> TortoiseSVN -> Properties
Double-click svn:externals to bring up the externals menu and then click New.
Set the Local path and URL as you see above. Click OK and OK again back in the svn:externals menu.
Click OK one more time to close the Properties menu.
Update your local repo. The new Projects will be downloaded into the shared/ directory.
From Visual Studio, right click your solution, Add -> Existing Project.
Browse to the UnitTest project's .csproj file: C:\Codebase\Comevo.App.Admin.Web\shared\Comevo.App.UnitTest\Comevo.App.UnitTest.csproj