Test case that exposes bug in PR #11724

[mjustice3]

Failing test case for TestHTMLStripCharFilter

Test case mentioned in #11724 (comment)

[github-actions]

This PR has not had activity in the past 2 weeks, labeling it as stale. If the PR is waiting for review, notify the dev@lucene.apache.org list. Thank you for your contribution!

[github-actions]

This PR does not have an entry in lucene/CHANGES.txt. Consider adding one. If the PR doesn't need a changelog entry, then add the skip-changelog label to it and you will stop receiving this reminder on future updates to the PR.

[cpoerschke]

This PR does not have an entry in lucene/CHANGES.txt. Consider adding one. If the PR doesn't need a changelog entry, then add the skip-changelog label to it and you will stop receiving this reminder on future updates to the PR.

Label added for now, likely to be undone in future.

[cpoerschke]

from https://github.com/apache/lucene/actions/runs/15637824955/job/44057524545?pr=13157 run:

org.apache.lucene.analysis.charfilter.TestHTMLStripCharFilter > test suite's output saved to /home/runner/work/lucene/lucene/lucene/analysis/common/build/test-results/test/outputs/OUTPUT-org.apache.lucene.analysis.charfilter.TestHTMLStripCharFilter.txt, copied below:
   >     org.junit.ComparisonFailure: expected:<Test
   > 
   >     a[ link some text a]nother link> but was:<Test
   > 
   >     a[]nother link>
   >         at __randomizedtesting.SeedInfo.seed([5F5576E2AE73637D:BC35FA89C9E7A217]:0)
   >         at junit@4.13.2/org.junit.Assert.assertEquals(Assert.java:117)
   >         at junit@4.13.2/org.junit.Assert.assertEquals(Assert.java:146)
   >         at org.apache.lucene.analysis.charfilter.TestHTMLStripCharFilter.testForIssue10520Regression(TestHTMLStripCharFilter.java:659)