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https://issues.apache.org/jira/browse/LUCENE-10528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17526842#comment-17526842
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Robert Muir commented on LUCENE-10528:
--------------------------------------

I'm against marking a test slow when it isn't slow. also, i run all the slow 
tests, i ignore the annotation and i am against the concept of it. we should 
keep our tests fast and just bail out like solr.

please, use a correct annotation. if the test isn't slow then don't mark it slow


> TestScripts.testLukeCanBeLaunched creates X Window when running the tests
> -------------------------------------------------------------------------
>
>                 Key: LUCENE-10528
>                 URL: https://issues.apache.org/jira/browse/LUCENE-10528
>             Project: Lucene - Core
>          Issue Type: Task
>            Reporter: Robert Muir
>            Priority: Major
>          Time Spent: 5h 50m
>  Remaining Estimate: 0h
>
> When running the tests, this one causes my entire desktop to "flicker" when 
> it creates some kind of X-Window very quickly and then destroys it. I use 
> tiling window manager, so whole desktop gets rearranged for a split second, 
> and I'd rather it not happen :)
> I first tried adding -Djava.awt.headless=true to both org.gradle.jvmargs and 
> tests.jvmargs in my .gradle/gradle.properties. doesn't work, as the test 
> doesnt use these when launching luke.
> I next tried hacking the test by adding this to the ProcessBuilderThingy, but 
> it didn't help either:
> {noformat}
> .envvar("LAUNCH_OPTS", "-Djava.awt.headless=true")
> {noformat}
> One way I can work around it, is to unset {{DISPLAY}} env var so that it 
> won't create this window. test still passes:
> {noformat}
> $ unset DISPLAY
> $ ./gradlew :lucene:distribution.tests:test
> ... (no window gets created)
> {noformat}
> So maybe as a workaround, we can just not pass DISPLAY environment variable 
> through to this test?



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