This means that https://gerrit.wikimedia.org/r/c/mediawiki/core/+/624786/2/maintenance/dumpCategoriesAsRdf.php#167 fails
18:21:10 1) MediaWiki\Tests\Maintenance\CategoriesRdfTest::testCategoriesDump 18:21:10 Error: Call to a member function setCaller() on array 18:21:10 18:21:10 /workspace/src/maintenance/dumpCategoriesAsRdf.php:152 18:21:10 /workspace/src/tests/phpunit/maintenance/categoriesRdfTest.php:90 18:21:10 /workspace/src/tests/phpunit/MediaWikiIntegrationTestCase.php:446 18:21:10 /workspace/src/tests/phpunit/phpunit.php:75 18:21:10 /workspace/src/maintenance/doMaintenance.php:107 18:21:10 /workspace/src/tests/phpunit/phpunit.php:134
As it's not a BatchRowIterator... It's now just an array. It works fine for the PHP code as is, but breaks other stuff...
Is there a better way we can mock BatchRowIterator for this test?
Created in T157676: Provide access to category information from WDQS SPARQL