RFR: 8316056: Open source several Swing JTree tests [v2]

[Alexey Ivanov]

On Mon, 18 Sep 2023 19:09:41 GMT, Damon Nguyen <dnguyen at openjdk.org> wrote:

>> These are the tests being converted:
>> 
>> javax/swing/JTree/4210432/bug4210432.java
>> javax/swing/JTree/4213868/bug4213868.java
>> javax/swing/JTree/4224491/bug4224491.java
>> javax/swing/JTree/4237370/bug4237370.java
>> javax/swing/JTree/4662505/bug4662505.java
>
> Damon Nguyen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comments changes

Marked as reviewed by aivanov (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15756#pullrequestreview-1631805149