git: openjdk/jdk17u-dev: 8282936: Write a regression test for JDK-4615365

[Goetz Lindenmaier]

Changeset: b0af5e52
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2022-06-29 12:36:51 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/b0af5e5236c9a5ce1bfa1f2160f6d9164049138c

8282936: Write a regression test for JDK-4615365

Backport-of: c3d903a55a9f606db8604d5a8c091b0fc3c6a988

+ test/jdk/javax/swing/JSplitPane/4615365/JSplitPaneDividerLocationTest.java