diff --git a/core/modules/system/src/Tests/Entity/Element/EntityAutocompleteElementFormTest.php b/core/modules/system/src/Tests/Entity/Element/EntityAutocompleteElementFormTest.php
index 0fdd9af..3e0386c 100644
--- a/core/modules/system/src/Tests/Entity/Element/EntityAutocompleteElementFormTest.php
+++ b/core/modules/system/src/Tests/Entity/Element/EntityAutocompleteElementFormTest.php
@@ -137,6 +137,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     $form['single_autocreate_no_validate'] = array(
       '#type' => 'entity_autocomplete',
       '#target_type' => 'entity_test',
+      '#validate_reference' => FALSE,
       '#autocreate' => array(
         'bundle' => 'entity_test',
       ),