Check for repeated inheritence causing a method conflict (which is not really a conflict)
Check for repeated inheritence causing a method conflict with method modifiers (which is not really a conflict)
Check for repeated inheritence of the same code. There are no conflicts with before/around/after method modifiers.
This tests around, but should work the same for before/afters as well
Check for repeated inheritence causing a attr conflict (which is not really a conflict)