test: fix zc tests
test: fix zc tests

Decouple result from F_NOTIF/F_MORE, even failed requests may produce a
notification.

Signed-off-by: Pavel Begunkov <8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com>
Link: https://lore.kernel.org/r/1529ac2cc55de274f3cf96aa150f56b5d550a19c.1663759148.git.8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com
Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing