diff --git a/actionview/lib/action_view/testing/assertions/dom.rb b/actionview/lib/action_view/testing/assertions/dom.rb
index d290591fcc02d123ea619b2bbfe99272ef9dfd21..e604c68ee0b2588c40ac80acc8a59018de2a4e44 100644
--- a/actionview/lib/action_view/testing/assertions/dom.rb
+++ b/actionview/lib/action_view/testing/assertions/dom.rb
@@ -40,8 +40,7 @@ def compare_doms(expected, actual)
         def equal_children?(child, other_child)
           return false unless child.type == other_child.type
 
-          case child.type
-          when Nokogiri::XML::Node::ELEMENT_NODE
+          if child.element?
             child.name == other_child.name &&
                 equal_attribute_nodes?(child.attribute_nodes, other_child.attribute_nodes)
           else