git: openjdk/jdk17u-dev: 8327137: Add test for ConcurrentModificationException in BasicDirectoryModel

[Andrew Lu]

Changeset: 978b7931
Author:    Andrew Lu <andrewlu at openjdk.org>
Date:      2024-06-19 02:02:58 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/978b7931f04aab84182a4a2f2a7681ffd3228966

8327137: Add test for ConcurrentModificationException in BasicDirectoryModel

Backport-of: 9731b1c8b02d957985f4fb40acd93fb67747a9f0

+ test/jdk/javax/swing/plaf/basic/BasicDirectoryModel/ConcurrentModification.java