[jdk17u-dev] RFR: 8306652: Open source AWT MenuItem related tests

[Victor Rudometov]

Clean backport, new tests, low risk
Checked on macOS x64, linux x64, windows x64: tests pass

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Commit messages:
 - Backport ed1ebd242a4bb82a7074564ea96dc3d26b78f9e1

Changes: https://git.openjdk.org/jdk17u-dev/pull/1373/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1373&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306652
  Stats: 326 lines in 4 files changed: 326 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1373.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1373/head:pull/1373

PR: https://git.openjdk.org/jdk17u-dev/pull/1373