git: openjdk/jdk: 8307080: Open source some more JComboBox jtreg tests

[Phil Race]

Changeset: b8de3943
Author:    Phil Race <prr at openjdk.org>
Date:      2023-04-28 22:39:17 +0000
URL:       https://git.openjdk.org/jdk/commit/b8de39431dca90e63552968829a349a9b63e68ca

8307080: Open source some more JComboBox jtreg tests

Reviewed-by: kizune

+ test/jdk/javax/swing/JComboBox/bug4171464.java
+ test/jdk/javax/swing/JComboBox/bug4244614.java
+ test/jdk/javax/swing/JComboBox/bug4276920.java
+ test/jdk/javax/swing/JComboBox/bug4924758.java
+ test/jdk/javax/swing/JComboBox/bug5029504.java