Add a new big zone, run a zone transfer in slow mode, and check
whether the zone transfer gets canceled because 100000 bytes are
not transferred in 5 seconds (as it's running in slow mode).
(cherry picked from commit b9c6aa24f8)
Add a new big zone, run a zone transfer in slow mode, and check
whether the zone transfer gets canceled because 100000 bytes are
not transferred in 5 seconds (as it's running in slow mode).
(cherry picked from commit b9c6aa24f8)