diff --git a/core/modules/system/tests/modules/router_test_directory/router_test.routing.yml b/core/modules/system/tests/modules/router_test_directory/router_test.routing.yml
index 7ad0607..583f261 100644
--- a/core/modules/system/tests/modules/router_test_directory/router_test.routing.yml
+++ b/core/modules/system/tests/modules/router_test_directory/router_test.routing.yml
@@ -86,3 +86,37 @@ router_test.13:
   defaults:
     _content: '\Drupal\router_test\TestContent::testAccount'
 
+router_test.hierarchy_parent:
+  path: '/menu-test/parent'
+  defaults:
+    _controller: '\Drupal\router_test\TestControllers::test'
+  requirements:
+    _access: 'TRUE'
+
+router_test.hierarchy_parent_child1:
+  path: '/menu-test/parent/child-1'
+  defaults:
+    _controller: '\Drupal\router_test\TestControllers::test'
+  requirements:
+    _access: 'TRUE'
+
+router_test.hierarchy_parent_child1_1:
+  path: '/menu-test/parent/child-1/child-1-1'
+  defaults:
+    _controller: '\Drupal\router_test\TestControllers::test'
+  requirements:
+    _access: 'TRUE'
+
+router_test.hierarchy_parent_child1_2:
+  path: '/menu-test/parent/child-1/child-1-2'
+  defaults:
+    _controller: '\Drupal\router_test\TestControllers::test'
+  requirements:
+    _access: 'TRUE'
+
+router_test.hierarchy_parent_child2:
+  path: '/menu-test/parent/child-2'
+  defaults:
+    _controller: '\Drupal\router_test\TestControllers::test'
+  requirements:
+    _access: 'TRUE'