8353589: Open source a few Swing menu-related tests

[prrace]

Open source a few tests related to Swing menus.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8353589: Open source a few Swing menu-related tests (Bug - P4)

Reviewers

• Harshitha Onkar (@honkar-jdk - Reviewer) 🔄 Re-review required (review applies to d58812cc)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/24457/head:pull/24457
$ git checkout pull/24457

Update a local copy of the PR:
$ git checkout pull/24457
$ git pull https://git.openjdk.org/jdk.git pull/24457/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 24457

View PR using the GUI difftool:
$ git pr show -t 24457

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/24457.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

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[openjdk]

@prrace This change is no longer ready for integration - check the PR body for details.

[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (8a89a142)
• 00: Full (d58812cc)

[honkar-jdk]

LGTM other than minor inline comments.