docs: private void parseVariableDefinitions(BeanDefinitionBuilder builder, Element element) {
          Map<String, String> testVariables = new LinkedHashMap<String, String>();
          List<Element> variableElements = DomUtils.getChildElementsByTagName(element, "variable");
          for (Element variableDefinition : variableElements) {
              testVariables.put(variableDefinition.getAttribute("name"), variableDefinition.getAttribute("value"));
          }
  
          if (!testVariables.isEmpty()) {
              builder.addPropertyValue("variables", testVariables);
          }
      }