git: openjdk/jdk11u-dev: 8253543: sanity/client/SwingSet/src/ButtonDemoScreenshotTest.java failed with "AssertionError: All pixels are not black"

[Andrew Lu]

Changeset: 879f7cf8
Author:    Andrew Lu <andrewlu at openjdk.org>
Date:      2023-12-26 03:17:13 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/879f7cf81494e45aeadaf1c67fc039834779012e

8253543: sanity/client/SwingSet/src/ButtonDemoScreenshotTest.java failed with "AssertionError: All pixels are not black"

Backport-of: ffc97ba585b3750a0fe0d29d39a1201d91954d0f

! test/jdk/sanity/client/SwingSet/src/ButtonDemoScreenshotTest.java
! test/jdk/sanity/client/SwingSet/src/EditorPaneDemoTest.java
! test/jdk/sanity/client/lib/Extensions/src/org/jemmy2ext/JemmyExt.java
! test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/button/ButtonDemo.java