Tests for create, createPersistentContent, createChild and createCustom
Change 730554 had a related patch set uploaded (by Genoveva Galarza; author: Genoveva Galarza):
[mediawiki/extensions/WikiLambda@master] Add ZObjectFactory tests for all creation methods
Change 731966 had a related patch set uploaded (by Genoveva Galarza; author: Genoveva Galarza):
Change 730554 abandoned by Genoveva Galarza:
Cherry picking this commit, too many files to rebase.
Change 731966 merged by jenkins-bot:
Coverage isn't perfect, but it's non-zero: https://doc.wikimedia.org/cover-extensions/WikiLambda/includes/ZObjectFactory.php.html