RFR: 8304922: [testbug] SliderTooltipNPETest fails on Linux

[Karthik P K]

On Fri, 28 Apr 2023 13:04:44 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> The test was failing on the first run and then it was not failing. Cause for the failure looked to be the UI state not getting updated. Hence added call to `Toolkit` `firePulse` method.
>> 
>> Able to run the test consistently without failure in Linux after the fix.
>
> tests/system/src/test/java/test/robot/javafx/scene/SliderTooltipNPETest.java line 97:
> 
>> 95:                             (int)(scene.getWindow().getY() + scene.getY() +
>> 96:                                 slider.getLayoutY() + slider.getLayoutBounds().getHeight()/2));
>> 97:             Toolkit.getToolkit().firePulse();
> 
> A system test should not need to use `firePulse`, and I can't think why this would help. In any case, I still see the failure on my Ubuntu 22.04 VM.

Oh Okay! Let me check on that again.
Looks like the failure is not consistent in all the Linux systems. Even without the fix it was failing only on the first run for me in VM as well as in Ubuntu workstation.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1119#discussion_r1180520125