diff --git a/tests/src/Functional/ProcessorIntegrationTest.php b/tests/src/Functional/ProcessorIntegrationTest.php
index b94162c..6279929 100644
--- a/tests/src/Functional/ProcessorIntegrationTest.php
+++ b/tests/src/Functional/ProcessorIntegrationTest.php
@@ -16,7 +16,6 @@ use Drupal\taxonomy\Tests\TaxonomyTestTrait;
  * Tests the admin UI for processors.
  *
  * @todo Move this whole class into a single IntegrationTest check*() method?
- * @todo Add tests for the "Role filter" processor.
  *
  * @group search_api
  */
@@ -441,6 +440,14 @@ TAGS
    */
   public function checkRoleFilterIntegration() {
     $this->enableProcessor('role_filter');
+
+    $configuration = [
+      'default' => 1,
+      'roles' => [
+        'anonymous',
+      ],
+    ];
+    $this->editSettingsForm($configuration, 'role_filter');
   }
 
   /**