diff --git a/modules/json_form_widget/tests/src/Unit/JsonFormBuilderTest.php b/modules/json_form_widget/tests/src/Unit/JsonFormBuilderTest.php
index c708d28e9c..f5d9c53797 100644
--- a/modules/json_form_widget/tests/src/Unit/JsonFormBuilderTest.php
+++ b/modules/json_form_widget/tests/src/Unit/JsonFormBuilderTest.php
@@ -243,6 +243,7 @@ public function testSchema() {
             '#description_display' => 'before',
             "#default_value" => "org:Organization",
             "#required" => FALSE,
+            '#maxlength' => 256,
           ],
           "name" => [
             "#type" => "textfield",
@@ -251,6 +252,7 @@ public function testSchema() {
             '#description_display' => 'before',
             "#default_value" => NULL,
             "#required" => TRUE,
+            '#maxlength' => 256,
           ],
         ],
       ],
@@ -292,6 +294,7 @@ public function testSchema() {
             "#type" => "textfield",
             "#title" => "Tag",
             "#required" => FALSE,
+            '#maxlength' => 256,
           ],
         ],
       ],
@@ -341,6 +344,7 @@ public function testSchema() {
             "#type" => "textfield",
             "#title" => "Tag",
             "#required" => TRUE,
+            '#maxlength' => 256,
           ],
         ],
       ],