Last updated February 6, 2020

Drupal 8 provides a UI for running tests as part of the Testing (simpletest) module. It has since been deprecated, and is no longer the recommended way to run tests. But it can still be useful from time to time.

In this tutorial, we'll run Drupal 8 tests using the Simpletest UI.

We also recommend the following command-line tools over the Simpletest UI for most cases.