git: openjdk/jfx: master: 8315317: Add test for JDK-8262518

[Prasanta Sadhukhan]

Changeset: eb7de72d
Author:    Prasanta Sadhukhan <psadhukhan at openjdk.org>
Date:      2023-09-08 15:36:16 +0000
URL:       https://git.openjdk.org/jfx/commit/eb7de72dafecbedc83c2215b6aed7432d4ec80f9

8315317: Add test for JDK-8262518

Reviewed-by: angorya

+ tests/system/src/test/java/test/javafx/embed/swing/SwingNodeContentMemoryLeakTest.java