git: openjdk/jdk21u-dev: master: 8328753: Open source few Undecorated Frame tests

[Goetz Lindenmaier]

Changeset: 539990cd
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-12-17 13:11:52 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/539990cd9a7241e7e9d8f5dc1fdf832eb0fa7860

8328753: Open source few Undecorated Frame tests
8337886: java/awt/Frame/MaximizeUndecoratedTest.java fails in OEL due to a slight color difference

Reviewed-by: mdoerr
Backport-of: db159149c1c13a98ee9a85750741c6a3cd39f408

+ test/jdk/java/awt/Frame/FrameDialogMixedTest.java
+ test/jdk/java/awt/Frame/MaximizeUndecoratedTest.java
+ test/jdk/java/awt/Frame/MinimizeUndecoratedTest.java