git: openjdk/jdk21u-dev: master: 8315825: Open some swing tests

[Goetz Lindenmaier]

Changeset: cf360526
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-12-30 22:27:21 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/cf36052692be8eb78c60ab0af44cdadd98ebe488

8315825: Open some swing tests

Backport-of: e015e6ce28e263e546cd1b6583a4a3ecc431d576

+ test/jdk/javax/swing/JComponent/bug4765272.java
+ test/jdk/javax/swing/JComponent/bug4979794.java
+ test/jdk/javax/swing/JPanel/bug4907772.java
+ test/jdk/javax/swing/RootPaneChecking/RootPaneChecking.java