Merge branch '2.1-DEVELOP-PR' of github.com:magento-tango/magento2ce into 2.1-DEVELOP-PR

Author: VladimirZaets

dev/tests/functional/tests/app/Magento/ConfigurableProduct/Test/Block/Adminhtml/Product/Edit/Section/Variations/Config/Attribute.php

@@ -177,6 +177,7 @@ public function fillAttributes(array $attributes)
 
         //select attributes
         $this->getAttributesGrid()->resetFilter();
+        $this->getTemplateBlock()->waitLoader();
         $attributesList = $this->browser->find($this->selectedAttributes)->getText();
         if ($attributesList != '--') {
             $this->getAttributesGrid()->deselectAttributes();