selftests/damon: test wrong DAMOS condition ranges input

A patch titled "mm/damon/schemes: add the validity judgment of
thresholds"[1] makes DAMON debugfs interface to validate DAMON scheme
inputs.  This commit adds a test case for the validation logic in DAMON
selftests.

[1] https://lore.kernel.org/linux-mm/d78360e52158d786fcbf20bc62c96785742e76d3.1637239568.git.xhao@linux.alibaba.com/

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: SeongJae Park <[email protected]>
Cc: Brendan Higgins <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: sjp38

tools/testing/selftests/damon/debugfs_attrs.sh

@@ -77,6 +77,8 @@ test_write_succ "$file" "1 2 3 4 5 6 4 0 0 0 1 2 3 1 100 3 2 1" \
 test_write_fail "$file" "1 2
 3 4 5 6 3 0 0 0 1 2 3 1 100 3 2 1" "$orig_content" "multi lines"
 test_write_succ "$file" "" "$orig_content" "disabling"
+test_write_fail "$file" "2 1 2 1 10 1 3 10 1 1 1 1 1 1 1 1 2 3" \
+	"$orig_content" "wrong condition ranges"
 echo "$orig_content" > "$file"
 
 # Test target_ids file