>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3444812. --> Reported by: [wim leers](https://www.drupal.org/user/99777) Related to !24 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p><span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/3432183" title="Status: Closed (fixed)">#3432183: Move system/base component CSS to respective libraries where they exist</a></span> landed in Drupal <code>10.3</code> and ever since, <code>CdnIntegrationTest::testCss()</code> fails.</p> <ul> <li>Fails: <code>git reset --hard 93a19fc33d0650102861adb806d47dd78876e555</code></li> <li>Passes: <code>git reset --hard 93a19fc33d0650102861adb806d47dd78876e555^</code></li> </ul> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <h3 id="summary-ui-changes">User interface changes</h3> <h3 id="summary-api-changes">API changes</h3> <h3 id="summary-data-model-changes">Data model changes</h3> > Related issue: [Issue #3432183](https://www.drupal.org/node/3432183)