Fix execute-6.5 test failure on trunk: the "preserveCore" part of tcltest::test assumes that the cleanup is done first, so moving the cleanup means the the "preserverCore" part needs to move with it.
Fix execute-6.5 test failure on trunk: the "preserveCore" part of tcltest::test assumes that the cleanup is done first, so moving the cleanup means the the "preserverCore" part needs to move with it.