>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3558613. --> Reported by: [phenaproxima](https://www.drupal.org/user/205645) Related to !683 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>We have some stunningly, shockingly, amazingly slow tests. Generally these are the ones which test something about every content model we ship.</p> <p>For the most part, we could get a speed improvement by refactoring these tests so that they test all content types in a single method as a loop, rather than using a data provider or #[TestWith] attribute.</p>