Do you need a Functional test for that?

Drupal has four PHPUnit test suites: Unit, Kernel, Functional, and FunctionalJavascript. Each test suite offers various levels of integration with the Drupal code base.

• Unit tests are stateless
• Kernel tests allow for minimal Drupal bootstrapping for stateful testing with the database
• Functional tests perform a full Drupal installation and allow interacting with Drupal through a mocked browser
• FunctionalJavascript tests perform a full Drupal installation and allow interacting with Drupal…