AC-1549: Fixed static tests

Author: svera

Diff for: Magento2/Sniffs/Legacy/DiConfigSniff.php

@@ -11,6 +11,9 @@
 
 class DiConfigSniff implements Sniff
 {
+    /**
+     * @var string[]
+     */
     private $obsoleteDiNodesWarningCodes = [
         '<param' => 'FoundObsoleteParamNode',
         '<instance' => 'FoundObsoleteInstanceNode',

Diff for: Magento2/Sniffs/Legacy/EmailTemplateSniff.php

@@ -19,6 +19,9 @@ class EmailTemplateSniff implements Sniff
         '/\{\{escapehtml.*?\}\}/i' => 'Directive {{escapehtml}} is obsolete. Use {{var}} instead.',
     ];
 
+    /**
+     * @var string[]
+     */
     private $errorCodes = [
         '/\{\{htmlescape.*?\}\}/i' => 'FoundObsoleteHtmlescapeDirective',
         '/\{\{escapehtml.*?\}\}/i' => 'FoundObsoleteEscapehtmlDirective'

Diff for: Magento2/Sniffs/Legacy/ObsoleteConfigNodesSniff.php

@@ -15,6 +15,10 @@ class ObsoleteConfigNodesSniff implements Sniff
 {
     private const ERROR_MESSAGE_CONFIG = "Nodes identified by XPath '%s' are obsolete. %s";
     private const ERROR_CODE_CONFIG = 'WrongXML';
+
+    /**
+     * @var string[]
+     */
     private $obsoleteNodesErrorCodes = [
         '/config/global/fieldsets' => 'obsoleteNodeGlobalFieldsets',
         '/config/global/cache/betatypes' => 'obsoleteNodeBetatypes',
@@ -331,6 +335,4 @@ private function getObsoleteNodes(): array
             '/config/system/cms/content/versioning' => 'Functionality is eliminated',
         ];
     }
-
-
 }