NUGET The current version 1.2 of the NuGet adapters for NUnit works with the VS 2015 Preview (and earlier CTPs). You can find them here: http://www.nuget.org/packag... and with framework: http://www.nuget.org/packag... Add one of these to your solution and it works without having the VSIX installed, both for VS2015 and for TFS build, including VSO build. Note that you only need to add one of these to one of your projects in the solution. The use of ......