tests: non-root io_uring_register
tests: non-root io_uring_register

Non-previliged users can't register too many buffers, just skip the test
in this case.

Signed-off-by: Pavel Begunkov <8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com>
Link: https://lore.kernel.org/r/2d40f84f0fa5e5dc53ef8b55bdcc00a11e0dc5a7.1629813328.git.8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com
Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing