RFR: 8342930: New tests from JDK-8335912 are failing

[Henry Jen]

Check output for including values rather than exact match.
Also include the manpage change  and revert the problem list.

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Commit messages:
 - 8342930: New tests from JDK-8335912 are failing

Changes: https://git.openjdk.org/jdk/pull/21697/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21697&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8342930
  Stats: 30 lines in 4 files changed: 19 ins; 3 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/21697.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21697/head:pull/21697

PR: https://git.openjdk.org/jdk/pull/21697