diff --git a/web/modules/custom/my_module/tests/src/Functional/MyModuleTest.php b/web/modules/custom/my_module/tests/src/Functional/MyModuleTest.php
index 3158087..4173e30 100644
--- a/web/modules/custom/my_module/tests/src/Functional/MyModuleTest.php
+++ b/web/modules/custom/my_module/tests/src/Functional/MyModuleTest.php
@@ -18,4 +18,11 @@ class MyModuleTest extends BrowserTestBase {
     $this->assertResponse(Response::HTTP_OK);
   }
 
+  /** @test */
+  public function the_admin_page_is_not_accessible_to_anonymous_users() {
+    $this->drupalGet('admin');
+
+    $this->assertResponse(Response::HTTP_FORBIDDEN);
+  }
+
 }