This is happening repeatedly at https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CodeMirror/+/1048371
MediaWiki\Extension\GlobalBlocking\Test\Integration\Specials\GlobalBlockListPagerTest::testFormatRow with data set "IPv4 range block" ('1.2.3.0/24', array('(july', 'Test reason2'), array('(infiniteblock', 'Test reason1', 'Test reason3', '(globalblocking-list-whitelisted'))
Failed asserting that '<li>(globalblocking-list-item: 03:20, 1 (august) 2024, TestUser 0f442b.485, TestUser 0f442b.485, wikidb-unittest_, 1.2.3.0/24, <a href="/wiki/Special:Contributions/1.2.3.0/24" class="mw-userlink mw-anonuserlink" title="Special:Contributions/1.2.3.0/24"><bdi>1.2.3.0/24</bdi></a>(word-separator)<span class="mw-usertoollinks">(parentheses: <a href="/index.php?title=User_talk:1.2.3.0/24&action=edit&redlink=1" class="new mw-usertoollinks-talk" title="User talk:1.2.3.0/24 (page does not exist)">(talkpagelinktext)</a>)</span>, 03:20, 1 (september) 2024, , <span class="comment">(parentheses: Test reason2)</span>, )</li>' contains "(july".
/workspace/src/extensions/GlobalBlocking/tests/phpunit/Integration/Special/GlobalBlockListPagerTest.php:63