git: openjdk/jdk21u-dev: master: 8353293: Open source several swing tests batch4

[Satyen Subramaniam]

Changeset: e4cd10bb
Branch: master
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
Date:      2025-08-22 16:55:34 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/e4cd10bba6bd8a17f8122d07e9d331daab9668a7

8353293: Open source several swing tests batch4

Backport-of: a551cc929426590bfbbcaa4bd8bee5e4e8cfe16d

+ test/jdk/javax/swing/plaf/basic/BasicGraphicsUtils/DrawEtchedRectTest.java
+ test/jdk/javax/swing/plaf/basic/BasicHTML/4228104/bug4228104.java
= test/jdk/javax/swing/plaf/basic/BasicHTML/4228104/duke.gif
+ test/jdk/javax/swing/plaf/basic/BasicSliderUI/bug4220108.java
+ test/jdk/javax/swing/plaf/basic/BasicSplitPaneUI/NegativeSizeTest.java
+ test/jdk/javax/swing/plaf/basic/BasicSplitPaneUI/PreferredSizeLayoutTest.java