Fixed the static test failure

Author: engcom-Charlie

app/code/Magento/PageCache/Model/System/Config/Backend/AccessList.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2018 Adobe
+ * All Rights Reserved.
  */
 
 declare(strict_types=1);
@@ -18,6 +18,7 @@ class AccessList extends Varnish
 {
     /**
      * @inheritDoc
+     * @return $this|\Magento\Framework\Model\AbstractModel
      */
     public function beforeSave()
     {
@@ -30,7 +31,8 @@ public function beforeSave()
                 if (!preg_match('/^[\w\.\-\:]+(\/(?:[0-9]|[12][0-9]|3[0-2]))?$/', trim($item))) {
                     throw new LocalizedException(
                         new Phrase(
-                            'Access List value "%1" is not valid because of item "%2". Please use only IP addresses and host names.',
+                            'Access List value "%1" is not valid because of item "%2".
+                                  Please use only IP addresses and host names.',
                             [$value, $item]
                         )
                     );

app/code/Magento/PageCache/Test/Unit/Model/System/Config/Backend/AccessListTest.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2018 Adobe
+ * * All Rights Reserved.
  */
 
 declare(strict_types=1);