[jdk21u-dev] RFR: 8352676: Opensource JMenu tests - series1

[Goetz Lindenmaier]

I backport this test change as it also goes to 21.0.9-oracle.

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Commit messages:
 - Backport c002b97ee99c1889aa89e0a8853beafaf0969e9c

Changes: https://git.openjdk.org/jdk21u-dev/pull/1791/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1791&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352676
  Stats: 297 lines in 3 files changed: 297 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1791.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1791/head:pull/1791

PR: https://git.openjdk.org/jdk21u-dev/pull/1791