>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3406943. --> Reported by: [dcam](https://www.drupal.org/user/1791830) Related to !12 >>> <pre>Drupal\Tests\aggregator\Functional\Update\AggregatorUpdateItemsTest::testUpdateHookN<br>Error: Call to a member function uuid() on null<br>/builds/project/aggregator/tests/src/Functional/Update/AggregatorUpdateItemsTest.php:34<br>/builds/project/aggregator/vendor/phpunit/phpunit/src/Framework/TestResult.php:728</pre><p>This first started happening while I was working on <span class="drupalorg-gitlab-issue-link drupalorg-gitlab-link-wrapper"><a href="https://git.drupalcode.org/project/aggregator/-/work_items/3405386" class="drupalorg-gitlab-link">https://git.drupalcode.org/project/aggregator/-/work_items/3405386</a></span>. But the failure happens on the unpatched 2.x branch, both locally and in GitLab CI. So it isn't a result of the changes being made to fix phpstan issues.</p> <p>All of the tests passed after the last commit to 2.x. So it's weird that this is happening. I don't know why yet.</p>