MAGETWO-37431: "Add Item To Return" button becomes disabled after required item fields are filled on Frontend

Author: valdislav

app/code/Magento/Sales/Model/Order.php

@@ -427,6 +427,7 @@ public function setCanSendNewEmailFlag($flag)
     /**
      * Load order by system increment identifier
      *
+     * @deprecated
      * @param string $incrementId
      * @return \Magento\Sales\Model\Order
      */

dev/tests/functional/tests/app/Magento/Cms/Test/Page/CmsIndex.xml

@@ -18,5 +18,6 @@
         <block name="currencyBlock" class="Magento\Directory\Test\Block\Currency\Switcher" locator=".switcher.currency" strategy="css selector" />
         <block name="cmsPageBlock" class="Magento\Cms\Test\Block\Page" locator=".page-main" strategy="css selector" />
         <block name="widgetView" class="Magento\Widget\Test\Block\WidgetView" locator=".widget" strategy="css selector" />
+        <block name="messagesBlock" class="Magento\Backend\Test\Block\Messages" locator=".messages" strategy="css selector"/>
     </page>
 </config>