timeout/test: clear state for timeout updates

Clear the ring before test_update_nonexistent_timeout(), because
otherwise previous test_single_timeout_wait() may leave an internal
timeout, that would fire and fail the test with -ETIME.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed