Per https://integration.wikimedia.org/ci/job/wmf-quibble-vendor-mysql-hhvm-docker/10847/console
21:35:22 1) Flow\Tests\Collection\PostCollectionTest::testGetLastRevision 21:35:22 Failed asserting that false is true. 21:35:22 21:35:22 /workspace/src/extensions/Flow/tests/phpunit/Collection/PostCollectionTest.php:90 21:35:22 /workspace/src/tests/phpunit/MediaWikiTestCase.php:424 21:35:22 /workspace/src/maintenance/doMaintenance.php:94 21:35:22