8253207: enable problemlists jcheck's check

Reviewed-by: clanger
Backport-of: d38c97d

.jcheck/conf

@@ -4,7 +4,7 @@ jbs=JDK
 version=11.0.25
 
 [checks]
-error=author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace
+error=author,committer,reviewers,merge,issues,executable,symlink,message,hg-tag,whitespace,problemlists
 
 [repository]
 tags=(?:jdk-(?:[1-9]([0-9]*)(?:\.(?:0|[1-9][0-9]*)){0,4})(?:\+(?:(?:[0-9]+))|(?:-ga)))|(?:jdk[4-9](?:u\d{1,3})?-(?:(?:b\d{2,3})|(?:ga)))|(?:hs\d\d(?:\.\d{1,2})?-b\d\d)
@@ -29,3 +29,6 @@ role=committer
 
 [checks "issues"]
 pattern=^([124-8][0-9]{6}): (\S.*)$
+
+[checks "problemlists"]
+dirs=test/jdk|test/langtools|test/lib-test|test/hotspot/jtreg|test/jaxp