Fix phpunit tests for Drupal 11
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3576709. -->
Reported by: [danchamp](https://www.drupal.org/user/1366502)
Related to !13
>>>
<p>See: <a href="https://git.drupalcode.org/project/localgov_elections/-/jobs/8730936">https://git.drupalcode.org/project/localgov_elections/-/jobs/8730936</a></p>
issue