java/awt/Frame/ShownOffScreenOnWin98: The frame is located off screen

ADDITIONAL SYSTEM INFORMATION :
#section:script_messages
----------messages:(7/475)----------
JDK under test: /usr/lib/jvm/java-11-oracle
java version "11.0.1" 2018-10-16 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.1+13-LTS)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.1+13-LTS, mixed mode)


A DESCRIPTION OF THE PROBLEM :
The test java/awt/Frame/ShownOffScreenOnWin98/ShownOffScreenOnWin98Test.java always fails on KUbuntu (KDE). The issue was intermittently observed on Ubuntu Gnome in MultiMonitor configuration

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
$ jtreg -testjdk:/usr/lib/jvm/java-11-oracle java/awt/Frame/ShownOffScreenOnWin5~98/ShownOffScreenOnWin98Test.java

ACTUAL -
#section:main
----------messages:(5/212)----------
command: main ShownOffScreenOnWin98Test
reason: User specified action: run main ShownOffScreenOnWin98Test
Mode: othervm
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 1.112
----------configuration:(3/40)----------
Boot Layer
  add modules: java.desktop

----------System.out:(5/278)----------
The frame location: java.awt.Point[x=-8,y=1821]
The screen bound: java.awt.Rectangle[x=0,y=0,width=3840,height=2160]
The screen insets: java.awt.Insets[top=0,left=0,bottom=36,right=0]
The test failed: The frame is located off screen
The test is over, hit Ctl-C to stop Java VM
----------System.err:(15/1001)----------
java.lang.RuntimeException: The frame is located off screen
        at ShownOffScreenOnWin98Test.fail(ShownOffScreenOnWin98Test.java:199)
        at ShownOffScreenOnWin98Test.init(ShownOffScreenOnWin98Test.java:89)
        at ShownOffScreenOnWin98Test.main(ShownOffScreenOnWin98Test.java:125)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
        at java.base/java.lang.Thread.run(Thread.java:834)

JavaTest Message: Test threw exception: java.lang.RuntimeException: The frame is located off screen
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: The frame is located off screen

---------- BEGIN SOURCE ----------
https://hg.openjdk.java.net/jdk/jdk11/file/1ddf9a99e4ad/test/jdk/java/awt/Frame/ShownOffScreenOnWin98
---------- END SOURCE ----------

FREQUENCY : always