Implement a base test feature
It would be nice if there was a feature where we could test our friends bases. This would be fairly easy to implement:
If you are inspecting someone in your clan's base create an option where the next button normally is that says "Test base"
When you click test base the first thing that will happen is you create an army. Just pick troops to create the army you want, have them all cost 0 resoruces. Then let the clan mate attack your base with their constructed army. Don't give any rewards or break shields for the attack.
This way we could test each others bases and refine them.