fix integration test failure

Author: engcom-November

app/code/Magento/Catalog/Block/Product/View/Options/Type/Date.php

@@ -96,7 +96,7 @@ public function getCalendarDateHtml()
         $fieldsSeparator = '/';
         $fieldsOrder = $this->_catalogProductOptionTypeDate->getConfigData('date_fields_order') ?? '';
         $fieldsOrder = str_replace(",", $fieldsSeparator, $fieldsOrder);
-        $dateFormat = $fieldsOrder ?: $this->_localeDate->getDateFormatWithLongYear();
+        $dateFormat = $fieldsOrder !== "m/d/y" ? $fieldsOrder : $this->_localeDate->getDateFormatWithLongYear();
         /** Escape RTL characters which are present in some locales and corrupt formatting */
         $escapedDateFormat = preg_replace('/[^MmDdYy\/\.\-]/', '', $dateFormat);
         $value = null;