git: openjdk/jdk: 8282860: Write a regression test for JDK-4164779

[Sergey Bylokhov]

Changeset: 8a044649
Author:    Manukumar V S <mvs at openjdk.org>
Committer: Sergey Bylokhov <serb at openjdk.org>
Date:      2022-03-23 23:46:58 +0000
URL:       https://git.openjdk.java.net/jdk/commit/8a044649bd722da54999f55ff2cf907682fdc180

8282860: Write a regression test for JDK-4164779

Reviewed-by: serb

+ test/jdk/javax/swing/JSplitPane/4164779/JSplitPaneKeyboardNavigationTest.java