I have upgraded the site version 10 to ll, clean the application and Rebuild the application its working fine.
The issues is in the application Test case is there, If run the Testcase not run the test case.
In the visual studio already installed the below packages also.
- Microsoft.NET.Test.Sdk
- MSTest.TestFramework
- MSTest.TestAdapter
https://ibb.co/n3TcHS1