Issue #3286825: Automated Drupal 10 compatibility fixes

modules/cron_service_ui/tests/src/Functional/ServiceListBuilderTest.php

@@ -42,7 +42,7 @@ class ServiceListBuilderTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->webUser = $this->drupalCreateUser(
       [