>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3537859. --> Reported by: [phenaproxima](https://www.drupal.org/user/205645) Related to !1 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>Right now, we get a lot of unexpected breaks as XB evolves and Mercury keeps pace. There is no automated testing set up. We need to change this.</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>Add XB to Mercury's dev dependencies and set up a standard CI job that runs a test which installs Mercury, installs XB, and confirms that all Mercury components are created without error.</p>