RFR: 8354465: Open some JTable bugs 8 [v2]

[Alisen Chung]

> Updating and opening some JTable bugs

Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:

  update some test instructions, add jtreg summary

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24741/files
  - new: https://git.openjdk.org/jdk/pull/24741/files/03c740d9..ee549925

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24741&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24741&range=00-01

  Stats: 14 lines in 4 files changed: 2 ins; 0 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/24741.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24741/head:pull/24741

PR: https://git.openjdk.org/jdk/pull/24741