diff --git a/core/tests/Drupal/Tests/Core/UrlTest.php b/core/tests/Drupal/Tests/Core/UrlTest.php
index b26feb8..1884608 100644
--- a/core/tests/Drupal/Tests/Core/UrlTest.php
+++ b/core/tests/Drupal/Tests/Core/UrlTest.php
@@ -492,6 +492,14 @@ public function providerTestEntityUris() {
         NULL,
       ],
       [
+        'entity:test_entity/1#0',
+        [],
+        'entity.test_entity.canonical',
+        ['test_entity' => '1'],
+        NULL,
+        '0',
+      ],
+      [
         'entity:test_entity/2?page=1&foo=bar#bottom',
         [], 'entity.test_entity.canonical',
         ['test_entity' => '2'],