Merge branch 'MAGETWO-94437' into port-94437

Author: Mariana Lashch

dev/tests/static/testsuite/Magento/Test/Less/_files/blacklist/old.txt

@@ -4,6 +4,7 @@ app/design/adminhtml/Magento/backend/Magento_ConfigurableProduct/web/css/source/
 app/design/adminhtml/Magento/backend/Magento_Developer/web/css/source/_module-old.less
 app/design/adminhtml/Magento/backend/Magento_Enterprise/web/css/source/_module-old.less
 app/design/adminhtml/Magento/backend/Magento_Msrp/web/css/source/_module-old.less
+app/design/adminhtml/Magento/backend/Magento_Sales/web/css/source/module/_order.less
 app/design/adminhtml/Magento/backend/Magento_Tax/web/css/source/_module-old.less
 app/design/adminhtml/Magento/backend/Magento_Theme/web/css/source/_module-old.less
 app/design/adminhtml/Magento/backend/Magento_Ui/web/css/source/_module-old.less
@@ -22,4 +23,4 @@ app/design/adminhtml/Magento/backend/web/mui/clearless/_settings.less
 app/design/adminhtml/Magento/backend/web/mui/clearless/_sprites.less
 app/design/adminhtml/Magento/backend/web/mui/styles/_abstract.less
 app/design/adminhtml/Magento/backend/web/mui/styles/_table.less
-app/design/adminhtml/Magento/backend/web/mui/styles/_vars.less
+app/design/adminhtml/Magento/backend/web/mui/styles/_vars.less