MQE-2126: Can't modify DataEntity data

Author: okolesnyk

src/Magento/FunctionalTestingFramework/Config/Dom.php

@@ -246,8 +246,8 @@ protected function getNodePathByParent(\DOMElement $node, $parentPath)
         $idAttribute = $this->nodeMergingConfig->getIdAttribute($path);
         if ($idAttribute) {
             foreach (explode('|', $idAttribute) as $idAttributeValue) {
-                if ($value = $node->getAttribute($idAttributeValue)) {
-                    $path .= "[@{$idAttributeValue}='{$value}']";
+                if ($node->hasAttribute($idAttributeValue)) {
+                    $path .= "[@{$idAttributeValue}='" . $node->getAttribute($idAttributeValue) . "']";
                     break;
                 }
             }

src/Magento/FunctionalTestingFramework/DataGenerator/Config/Dom.php

@@ -82,12 +82,12 @@ public function initDom($xml, $filename = null)
         }
 
         $itemNodes = $dom->getElementsByTagName('item');
+        /** @var \DOMElement $itemNode */
         foreach ($itemNodes as $itemKey => $itemNode) {
-            if ($itemNode->hasAttribute("name") === false) {
+            if ($itemNode->hasAttribute("name") == false) {
                 $itemNode->setAttribute("name", (string)$itemKey);
             }
         }
-
         return $dom;
     }
 }