MAGETWO-51943: Required varchar and text eav attributes can be saved as empty string

Author: irenelagno

dev/tests/integration/testsuite/Magento/Catalog/Controller/Adminhtml/CategoryTest.php

@@ -233,7 +233,7 @@ public function saveActionDataProvider()
                     'display_mode' => true,
                     'meta_title' => true,
                     'custom_design' => true,
-                    'page_layout' => true,
+                    'page_layout' => false,
                     'is_active' => true,
                     'include_in_menu' => true,
                     'landing_page' => true,
@@ -242,7 +242,7 @@ public function saveActionDataProvider()
                     'description' => true,
                     'meta_keywords' => true,
                     'meta_description' => true,
-                    'custom_layout_update' => true,
+                    'custom_layout_update' => false,
                     'custom_design_from' => true,
                     'custom_design_to' => true,
                     'filter_price_range' => false