git: openjdk/jdk17u-dev: 8339524: Clean up a few ExtendedRobot tests

[Goetz Lindenmaier]

Changeset: 34fd1217
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-01-07 10:20:20 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/34fd1217b325ee433fd354fde273d86d021f9bea

8339524: Clean up a few ExtendedRobot tests

Backport-of: 16232578d9acf9d0b5a9ad0e7530291471b5cc9c

! test/jdk/javax/swing/JInternalFrame/6725409/bug6725409.java