diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ungroup_rows.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ungroup_rows.yml
index 25d2e82..c59db57 100644
--- a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ungroup_rows.yml
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_ungroup_rows.yml
@@ -126,6 +126,18 @@ display:
           entity_type: node
           entity_field: created
           plugin_id: date
+        delta:
+          id: delta
+          table: node__field_views_testing_group_rows
+          field: delta
+          relationship: none
+          group_type: group
+          admin_label: ''
+          order: ASC
+          exposed: false
+          expose:
+            label: ''
+          plugin_id: standard
   page_1:
     display_options:
       path: test-ungroup-rows