I cloned azure-powershell project to folder C:\projects\dsc-azure-ext\azure-powershell
And run tools\Build.ps1

The specified path, file name, or both are too long. The fully qualified file name must be less than 
260 characters, and the directory name must be less than 248 characters.

Caused by file TestNewResourceGroupWithTemplateThenGetWithAndWithoutDetails.json in one of the subfolders.