RFR: JDK-8315824: Open source several Swing Text/HTML related tests [v2]

[Prasanta Sadhukhan]

On Tue, 12 Sep 2023 00:48:18 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> This PR open sources few Swing Text/HTML related tests.
>
> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   minor changes

Marked as reviewed by psadhukhan (Reviewer).

test/jdk/javax/swing/text/html/bug4210307.java line 40:

> 38: 
> 39: public class bug4210307 {
> 40:     private static Robot robot;

Robot can be local var

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PR Review: https://git.openjdk.org/jdk/pull/15675#pullrequestreview-1623783642
PR Review Comment: https://git.openjdk.org/jdk/pull/15675#discussion_r1324030863