Way to resolve Unit Test Adapter threw exception in Visual Studio

I tried to execute the unit test with code coverage option, unfortunately it throws following exception


Unit Test Adapter threw exception:
Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information..

On analysis found that the Code Coverage Settings file is pointing the wrong re-singing key file. I have point this to the correct path, after this change able to run the unit test with code coverage. The Steps are

Edit the test settings

In "Data and Diagnostics" option, double click "Code Coverage".

Point the correct snk file, then you can able to run the unit test with code coverage.