How can I default VS Test Processor Architecture to x64?

Question

I depend on a mixed-mode assembly which is compiled for x64. Because I do not want warnings in my build, all of the projects in my solution target x64 directly--they are not An

Answer 1

On Visual Studio 2013 I found that after setting "Default Process Architecture" to X64 I'll go and open "Options..." and close it with "OK", then the "Default Process Architecture" will preserved, at least for this one solution.