>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3050364. --> Reported by: [idebr](https://www.drupal.org/user/1879760) >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>Special handling of system module schemas in \Drupal\KernelTests\KernelTestBase::installSchema has been deprecated in Drupal 8.7.x, remove any calls to this method that use invalid schema names. See <a href="https://www.drupal.org/node/3003360">https://www.drupal.org/node/3003360</a></p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>Remove special handling of system module schemas in our Kernel tests <code>setup()</code> calls.</p> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <ol> <li>Write a patch</li> <li>Review</li> <li>Commit</li> </ol> <h3 id="summary-ui-changes">User interface changes</h3> <p>None.</p> <h3 id="summary-api-changes">API changes</h3> <p>None.</p> <h3 id="summary-data-model-changes">Data model changes</h3> <p>None.</p>