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

[duke]

Changeset: e7529b94
Branch: glass_gtk_bug_squashing
Author:    Thiago Milczarek Sayao <thiago.sayao at gmail.com>
Date:      2025-04-20 21:22:28 +0000
URL:       https://git.openjdk.org/jfx-sandbox/commit/e7529b942aca18c9bff686907d6c84e682b1492c

Fix test

! modules/javafx.graphics/src/main/native-glass/gtk/glass_window.cpp
+ tests/system/src/test/java/test/robot/javafx/stage/StageLocationTest.java
- tests/system/src/test/java/test/robot/javafx/stage/StageModalityTest.java
+ tests/system/src/test/java/test/robot/javafx/stage/StageOwnershipTest.java
! tests/system/src/test/java/test/robot/javafx/stage/StageWhiteBackgroundTest.java