8340228: Open source couple more miscellaneous AWT tests

[azuev-java]

Cleaning up and opensourcing three more tests.

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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-8340228: Open source couple more miscellaneous AWT tests (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/21097/head:pull/21097
$ git checkout pull/21097

Update a local copy of the PR:
$ git checkout pull/21097
$ git pull https://git.openjdk.org/jdk.git pull/21097/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 21097

View PR using the GUI difftool:
$ git pr show -t 21097

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/21097.diff

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[openjdk]

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[mlbridge]

Webrevs

• 00: Full (f30cca96)