git: openjdk/jdk11u-dev: 8283245: Create a test for JDK-4670319

[Goetz Lindenmaier]

Changeset: 3210c993
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2022-08-03 08:11:58 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/3210c99384688a70af20da8dbce57b11387f4f5c

8283245: Create a test for JDK-4670319

Backport-of: 4ce3cf12bff025441f658e1857e92486b5d73ee6

+ test/jdk/javax/accessibility/4670319/AccessibleJTreePCESourceTest.java