RFR: 8354451: Open source some more Swing popup menu tests [v3]

[Phil Race]

> Open source some more Swing menu tests

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8354451

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24636/files
  - new: https://git.openjdk.org/jdk/pull/24636/files/47f76fa9..ee9b400b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24636&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24636&range=01-02

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/24636.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24636/head:pull/24636

PR: https://git.openjdk.org/jdk/pull/24636