If the ecosystem you are in provides good tools and you know how to use them, this is actually not really a problem. I work with C#/Visual Studio/Resharper/Moq

If the ecosystem you are in provides good tools and you know how to use them, this is actually not really a problem. I work with C#/Visual Studio/Resharper/Moq. I generally don't have static mock object implementations because I can use Moq to dynamically create them. Resharper gives me the ability to press ALT+END to go to the concrete implementation of a method. If there is only one implementation of that method that it knows of it will go straight to it - which is the case much of the time since I don't have static mock implementations. If there are multiple implementations it will let me choose which to go to.