If wait_for_tls_xfer succeeds, while a failure was being expected,
set ret=1 to fail without further checking if the zone file exists.
(cherry picked from commit 2fdf01573c)
If wait_for_tls_xfer succeeds, while a failure was being expected,
set ret=1 to fail without further checking if the zone file exists.
(cherry picked from commit 2fdf01573c)