https://travis-ci.org/wikimedia/mediawiki/jobs/392321537
https://gerrit.wikimedia.org/r/#/c/mediawiki/core/+/416465/ / T174024
The builds were passing before this commit and started failing after it.
There was 1 failure: 1) MediaWiki\Tests\Storage\McrRevisionStoreDbTest::testInsertRevisionOn_successes with data set "Multi-slot revision insertion" (array(array(WikitextContent Object (...), TextContent Object (...)), true, CommentStoreComment Object (...), '20171117010101', true)) Failed asserting that two arrays are equal. --- Expected +++ Actual @@ @@ Array ( - 0 => 'main' - 1 => 'aux' + 0 => 'aux' + 1 => 'main' /home/travis/build/wikimedia/mediawiki/tests/phpunit/includes/Storage/RevisionStoreDbTestBase.php:277 /home/travis/build/wikimedia/mediawiki/tests/phpunit/includes/Storage/RevisionStoreDbTestBase.php:415