Replace classy as base theme in test themes
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3322666. -->
Reported by: [feyp](https://www.drupal.org/user/998680)
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>The test themes used classy as a base theme, but that has since been removed in Drupal 10.</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<p>Run tests on Drupal 10.0.0-rc1.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Replace classy with stark as a base theme in tests.</p>
issue