test: add FrontPageTest

web/modules/custom/example/tests/src/Functional/FrontPageTest.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\example\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+use Symfony\Component\HttpFoundation\Response;
+
+final class FrontPageTest extends BrowserTestBase {
+
+  public $defaultTheme = 'stark';
+
+  protected static $modules = ['node', 'views'];
+
+  /** @test */
+  public function the_front_page_loads_for_anonymous_users(): void {
+    $this->config('system.site')
+      ->set('page.front', '/node')
+      ->save(TRUE);
+
+    $this->drupalGet('<front>');
+
+    $assert = $this->assertSession();
+
+    $assert->statusCodeEquals(Response::HTTP_OK);
+    $assert->pageTextContains('No front page content has been created yet.');
+  }
+
+}