RFR: 8354163: Open source Swing tests Batch 1

[Jayathirth D V]

Few Swing AbstractButton, JList and JMenu tests are open sourced.

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Commit messages:
 - Update
 - 8354163: Open source Swing tests Batch 1

Changes: https://git.openjdk.org/jdk/pull/24650/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24650&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354163
  Stats: 666 lines in 5 files changed: 666 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24650.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24650/head:pull/24650

PR: https://git.openjdk.org/jdk/pull/24650