> > Is this a Mac with SIP enabled? The Mac CI presumably has that disabled, which is why I didn't see this issue there. Probably need to implement whatever Tom figured out to do about that for the current way of running tests. > > System Information says it's disabled. Running "csrutil status" complains of an unsupported configuration, which doesn't sound good, so I should probably go fix that independent of anything else. :-/
Looking online, I wonder if the "unsupported" message might be overly cautious. In any case, I do remember turning something off to allow a debugger to run. Here are all the settings, in case it matters: