Hello. Jenkins-bot complains in this change (console output). I don't know where to fix this so the uploaded patch works. Thanks.
When setting the fallback language for lzh to zh-hant, the following Wikibase test breaks:
19:08:45 There was 1 failure: 19:08:45 19:08:45 1) Wikibase\Test\LanguageFallbackChainFactoryTest::testBuildFromBabel with data set #4 (array(array('zh-classical')), array('lzh', 'en')) 19:08:45 Failed asserting that 11 matches expected 2. 19:08:45 19:08:45 mediawiki-extensions-hhvm/src/extensions/Wikidata/extensions/Wikibase/lib/tests/phpunit/LanguageFallbackChainFactoryTest.php:28 19:08:45 mediawiki-extensions-hhvm/src/extensions/Wikidata/extensions/Wikibase/lib/tests/phpunit/LanguageFallbackChainFactoryTest.php:246 19:08:45 mediawiki-extensions-hhvm/src/tests/phpunit/MediaWikiTestCase.php:137