Can you say more about the shape of your concern? >
Integration testing where some nodes are running JCE and others accp, and various configurations that are and are not accp compatible/native. I'm not referring to (re-) unit testing accp or jce themselves, or matrix testing over them, but our commitment to always-on upgrades against all possible configurations that integrate. We've history with config changes breaking upgrades, for as simple as they are.
