diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index ebc825711d..dfa185d3b4 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -418,7 +418,6 @@ function field_field_storage_config_update(FieldStorageConfigInterface $field_st
       $field->save();
     }
   }
-
 }
 
 /**
diff --git a/core/modules/field/tests/src/Kernel/DisplayModeUpdateTest.php b/core/modules/field/tests/src/Kernel/DisplayModeUpdateTest.php
index 3a1637f16c..3580ec291e 100644
--- a/core/modules/field/tests/src/Kernel/DisplayModeUpdateTest.php
+++ b/core/modules/field/tests/src/Kernel/DisplayModeUpdateTest.php
@@ -36,6 +36,7 @@ public function testDisplayModeUpdate() {
       'status' => TRUE,
     ]);
     $display->save();
+    $this->assertArrayNotHasKey('field_test', $display->get('hidden'));
 
     $field_storage = FieldStorageConfig::create([
       'field_name' => 'field_test',
@@ -51,7 +52,7 @@ public function testDisplayModeUpdate() {
     ])->save();
 
     $display = EntityViewDisplay::load('entity_test.entity_test.foobar');
-    debug($display->getComponent('field_test'));
+    $this->assertArrayHasKey('field_test', $display->get('hidden'));
   }
 
 }