selftest: damon: fix minor typos in test logs

Patch series "selftests/damon: misc fixes".

Misc fixes for DAMON selftets on behalf of the original authors.


This patch (of 2):

This patch resolves a spelling error in the test log, preventing potential
confusion.

It is submitted as part of my application to the "Linux Kernel Bug Fixing
Spring Unpaid 2024" mentorship program of the Linux Foundation.

Link: https://lore.kernel.org/r/20240204122523.14160-1-vincenzo.mezzela@gmail.com
Link: https://lkml.kernel.org/r/20240221211148.46522-2-sj@kernel.org
Signed-off-by: Vincenzo Mezzela <vincenzo.mezzela@gmail.com>
Signed-off-by: SeongJae Park <sj@kernel.org>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Bernd Edlinger <bernd.edlinger@hotmail.de>
Cc: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

selftests/damon: add a test for update_schemes_tried_regions hang bug

Add a test for reproducing the update_schemes_tried_{regions,bytes}
command-causing indefinite hang bug that fixed by commit 7d6fa31a2fd7
("mm/damon/sysfs-schemes: add timeout for update_schemes_tried_regions"),
to avoid mistakenly re-introducing the bug. Refer to the fix commit for
more details of the bug.

Link: https://lkml.kernel.org/r/20231212194810.54457-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>