RFR: 8328368: Convert java/awt/image/multiresolution/MultiDisplayTest/MultiDisplayTest.java applet test to main [v2]

[Alexander Zvegintsev]

On Thu, 21 Mar 2024 16:51:36 GMT, Damon Nguyen <dnguyen at openjdk.org> wrote:

>> Convert java/awt/image/multiresolution/MultiDisplayTest/MultiDisplayTest.java applet test to main using PassFailJFrame
>
> Damon Nguyen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comments

Marked as reviewed by azvegint (Reviewer).

test/jdk/java/awt/image/multiresolution/MultiDisplayTest.java line 109:

> 107:         frame = new JFrame("MultiDisplayTest");
> 108:         frame.setLayout(new BorderLayout());
> 109:         Button b = new Button("Start");

Just noticed that the `frame` is not used in test itself, so I guess we can get rid of it, and make this method return the "Start" `JButton`, and use it with `splitUIBottom`/`splitUIRight` instead of `testUI`

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PR Review: https://git.openjdk.org/jdk/pull/18354#pullrequestreview-1952846634
PR Review Comment: https://git.openjdk.org/jdk/pull/18354#discussion_r1534301518