To reproduce, run the following on a Windows 11 machine with screen scale set to 150%.

$ gradle --continue --info -PFULL_TEST=true -PUSE_ROBOT=true cleanTest :systemTests:test --tests SwingNodeJDialogTest

SwingNodeJDialogTest > testJDialogAbove FAILED
    java.lang.AssertionError: JDialog is not above JavaFX stage expected:<java.awt.Color[r=0,g=0,b=255]> but was:<java.awt.Color[r=102,g=0,b=0]>
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotEquals(Assert.java:835)
        at org.junit.Assert.assertEquals(Assert.java:120)
        at test.robot.javafx.embed.swing.SwingNodeBase.testAbove(SwingNodeBase.java:205)
        at test.robot.javafx.embed.swing.SwingNodeJDialogTest.testJDialogAbove(SwingNodeJDialogTest.java:42)