If I have an "All tests" run config, which I have ...

# intellij

[mikehearn]

If I have an "All tests" run config, which I have customised and shared to add on e.g. a -javaagent flag, how do I make IntelliJ clone it and adapt it when asking it to run a single test method/class, rather than creating an entirely new run config from scratch that lacks the magic arguments?