Fixes #4291 Workaround for servers with very old versions of LibXML. eg. 2.7.6

e107_tests/tests/unit/e_parseTest.php

@@ -439,6 +439,11 @@ while($row = $sql->fetch())
                     'expected'  => "<pre>/* &#123;THEME_PREF: code=header_width&amp;default=container&#125; */</pre>",
                 ),
 
+                30 => array(
+                    'html'      => "<hr />",
+                    'expected'  => "<hr>",
+                ),
+
 			);
 
 			foreach($tests as $k=>$var)