> Thanks for reporting; for the record the SO question was fine too =)
The `Fakes` API objects are meant to be very short-lived, i.e. the duration of a single test. Here they're alive from before the first test runs, until after the last test finished.
These are hooks into the VBA runtime, intercepting internal function calls: them being alive for longer than they're needed is definitely not helping.
Another thing is the very nature of the test itself: unit testing isolates functionalit