RFR: 8306652: Open source AWT MenuItem related tests [v5]

[Abhishek Kumar]

> This PR is to open source MenuItem AWT tests.

Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:

  Space added

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Changes:
  - all: https://git.openjdk.org/jdk/pull/13589/files
  - new: https://git.openjdk.org/jdk/pull/13589/files/3d07d952..eeb29f1d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13589&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13589&range=03-04

  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/13589.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13589/head:pull/13589

PR: https://git.openjdk.org/jdk/pull/13589