- Created a new `TestWorkspace` type to lock on `AdhocWorkspace` construction. This type can't be constructed/changed in parallel.
- Updated test usages of `AdhocWorkspace` to make use of `TestWorkspace`.
- Added a `Microsoft.CodeAnalysis.Razor.Workspaces.Test.Common` project to have the `TestWorkspace` type.
#1913
- Created a new `Microsoft.VisualStudio.Editor.Razor` assembly to contain Visual Studio platform agnostic info.
- Added a new `Microsoft.VisualStudio.Editor.Razor.Test.Common` project to be the centerfold for all VisualStudio agnostic test pieces.
- Added a `Microsoft.VisualStudio.Editor.Razor.Test` project and pulled in LanguageService test files into the the Editor.Razor.Test project to correspond to their movement in the src project.
#1690
N. Taylor Mullen