code: def test_named_entities(self):
      self.assertMarkdownRenders("&amp;", "<p>&amp;</p>")
      self.assertMarkdownRenders("&sup2;", "<p>&sup2;</p>")
      self.assertMarkdownRenders("&Aacute;", "<p>&Aacute;</p>")
  
imports: from markdown.test_tools import TestCase
label_desc: Use image node_id 1 for calling the TestEntities obj's underlying member method code with example usage: obj.test_named_entities() without return types