PHPUnit: fixed test using wrong date format (OpenMage#4444)

* bumped version

* fixed cs-phpunit

* revert version change [skip ci]

---------

Co-authored-by: Ng Kiat Siong <kiatsiong.ng@gmail.com>

Author: sreichel

.phpcs.dist.xml

@@ -145,7 +145,9 @@
         <exclude name="Squiz.PHP.Eval.Discouraged"/>
     </rule>
 
-    <rule ref="PHPCompatibility" />
+    <rule ref="PHPCompatibility">
+        <exclude name="PHPCompatibility.Keywords.ForbiddenNamesAsDeclared.resourceFound"/>
+    </rule>
     <rule ref="PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.MethodDoubleUnderscore">
         <exclude-pattern>*/Varien/Object.php*</exclude-pattern>
         <exclude-pattern>*/Varien/Data/Form/Abstract.php*</exclude-pattern>

tests/unit/Mage/Core/Helper/DataTest.php

@@ -93,9 +93,9 @@ public function testFormatTimezoneDate(
     public function provideFormatTimezoneDate(): Generator
     {
         $date           = date_create()->getTimestamp();
-        $dateShort      = date('m/j/Y', $date);
+        $dateShort      = date('n/j/Y', $date);
         $dateLong       = date('F j, Y', $date);
-        $dateShortTime  = date('m/j/Y g:i A', $date);
+        $dateShortTime  = date('n/j/Y g:i A', $date);
 
         yield 'null' => [
             $dateShort,