git: openjdk/jfx-sandbox: glass_gtk_bug_squashing: Fix tests

[duke]

Changeset: 4c19cee5
Branch: glass_gtk_bug_squashing
Author:    Thiago Milczarek Sayao <thiago.sayao at gmail.com>
Date:      2025-04-10 18:34:06 +0000
URL:       https://git.openjdk.org/jfx-sandbox/commit/4c19cee5d63696efcbce0eaf62a2632b20c02c3c

Fix tests

! tests/system/src/test/java/test/javafx/stage/StageTestBase.java
! tests/system/src/test/java/test/robot/javafx/stage/StageAttributesTest.java