我应该在同一个项目中混合我的UnitTests和我的Integration测试吗？

I am using NUnit to test my C# code and have so far been keeping unit tests (fast running ones) and integration tests (longer running) separate, and in separate project files. I use NUnit for doing both the unit tests and the integration tests. I just noticed the I am using NUnit to test my C# code and have so