diff --git a/core/modules/system/tests/modules/entity_test_update/entity_test_update.module b/core/modules/system/tests/modules/entity_test_update/entity_test_update.module
index f2447db..8c34017 100644
--- a/core/modules/system/tests/modules/entity_test_update/entity_test_update.module
+++ b/core/modules/system/tests/modules/entity_test_update/entity_test_update.module
@@ -9,16 +9,17 @@
 use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\entity_test_update\Entity\EntityTestUpdate;
+use Drupal\Core\Entity\EntityTypeInterface;
 
 /**
  * Implements hook_entity_base_field_info().
  */
-function entity_test_update_entity_base_field_info(\Drupal\Core\Entity\EntityTypeInterface $entity_type) {
+function entity_test_update_entity_base_field_info(EntityTypeInterface $entity_type) {
   // Add a base field that will be used to test that fields added through
   // hook_entity_base_field_info() are handled correctly during a schema
   // conversion (e.g. from non-revisionable to revisionable).
   if ($entity_type->id() == 'entity_test_update') {
-    $fields = array();
+    $fields = array[];
     $fields['test_entity_base_field_info'] = BaseFieldDefinition::create('string')
       ->setLabel(new TranslatableMarkup('Field added by hook_entity_base_field_info()'))
       ->setTranslatable(TRUE)
diff --git a/core/modules/system/tests/modules/entity_test_update/src/Entity/EntityTestUpdate.php b/core/modules/system/tests/modules/entity_test_update/src/Entity/EntityTestUpdate.php
index 0de2460..bcd7774 100644
--- a/core/modules/system/tests/modules/entity_test_update/src/Entity/EntityTestUpdate.php
+++ b/core/modules/system/tests/modules/entity_test_update/src/Entity/EntityTestUpdate.php
@@ -91,15 +91,15 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setTranslatable(TRUE)
       ->setRevisionable(TRUE)
       ->setSetting('max_length', 32)
-      ->setDisplayOptions('view', array(
+      ->setDisplayOptions('view',[
         'label' => 'hidden',
         'type' => 'string',
         'weight' => -5,
-      ))
-      ->setDisplayOptions('form', array(
+      ])
+      ->setDisplayOptions('form', [
         'type' => 'string_textfield',
         'weight' => -5,
-      ));
+      ]);
 
     $fields['test_single_property'] = BaseFieldDefinition::create('string')
       ->setLabel(new TranslatableMarkup('Field with a single property'))
@@ -144,7 +144,7 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setRevisionable(FALSE)
       ->setTranslatable(FALSE);
 
-    $fields += \Drupal::state()->get('entity_test_update.additional_base_field_definitions', array());
+    $fields += \Drupal::state()->get('entity_test_update.additional_base_field_definitions', []);
     return $fields;
   }
 
@@ -153,7 +153,7 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    */
   public static function bundleFieldDefinitions(EntityTypeInterface $entity_type, $bundle, array $base_field_definitions) {
     $fields = parent::bundleFieldDefinitions($entity_type, $bundle, $base_field_definitions);
-    $fields += \Drupal::state()->get('entity_test_update.additional_bundle_field_definitions.' . $bundle, array());
+    $fields += \Drupal::state()->get('entity_test_update.additional_bundle_field_definitions.' . $bundle, []);
     return $fields;
   }