LiveUnitTesting ".vs"フォルダ
Setting the location of Live Unit Testing build artifacts I want the artifacts of a Live Unit Testing build to go to a specific location instead of the default location under the .vs folder. How can I change that? Answer: Set the LiveUnitTesting_BuildRoot user-level environment variable to the path where you want the Live Unit Testing build artifacts to be dropped.
Live Unit Testing に関する FAQ | Microsoft Docs
Live Unit Testing FAQ | Microsoft Docs