git: openjdk/jdk: 8315825: Open some swing tests

[Alisen Chung]

Changeset: e015e6ce
Author:    Alisen Chung <achung at openjdk.org>
Date:      2023-09-22 20:51:14 +0000
URL:       https://git.openjdk.org/jdk/commit/e015e6ce28e263e546cd1b6583a4a3ecc431d576

8315825: Open some swing tests

Reviewed-by: abhiscxk, prr

+ 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