https://integration.wikimedia.org/ci/job/mediawiki-extensions-zend/4381/
Flow\Tests\Import\HistoricalUIDGeneratorTest::testRoundTrip with data set #0 (1424721464) Failed asserting that '1424721465' matches expected '1424721464'. /srv/ssd/jenkins-slave/workspace/mediawiki-extensions-zend/src/extensions/Flow/tests/phpunit/Import/HistoricalUIDGeneratorTest.php:31 /srv/ssd/jenkins-slave/workspace/mediawiki-extensions-zend/src/tests/phpunit/MediaWikiTestCase.php:132
Reruning the test succeeded. Is there something non-deterministic in this test case?