add failing test

Author: erik-krogh

javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/IncompleteMultiCharacterSanitization.expected

@@ -37,3 +37,4 @@
 | tst-multi-character-sanitization.js:143:13:143:56 | content ... /g, '') | This string may still contain $@, which may cause an HTML element injection vulnerability. | tst-multi-character-sanitization.js:143:30:143:30 | < | <script |
 | tst-multi-character-sanitization.js:144:13:144:91 | content ... /g, '') | This string may still contain $@, which may cause an HTML element injection vulnerability. | tst-multi-character-sanitization.js:144:30:144:30 | < | <script |
 | tst-multi-character-sanitization.js:145:13:145:90 | content ... /g, '') | This string may still contain $@, which may cause an HTML element injection vulnerability. | tst-multi-character-sanitization.js:145:30:145:30 | < | <script |
+| tst-multi-character-sanitization.js:148:3:148:99 | n.clone ... gi, '') | This string may still contain $@, which may cause an HTML element injection vulnerability. | tst-multi-character-sanitization.js:148:41:148:41 | < | <script |

javascript/ql/test/query-tests/Security/CWE-116/IncompleteSanitization/tst-multi-character-sanitization.js

@@ -144,4 +144,12 @@
   content = content.replace(/<(script|iframe|video)[\s\S]*?<\/(script|iframe|video)>/g, '') // NOT OK
   content = content.replace(/<(script|iframe|video)(.|\s)*?\/(script|iframe|video)>/g, '') // NOT OK
   content = content.replace(/<[^<]*>/g, ""); // OK
+
+  n.cloneNode(false).outerHTML.replace(/<\/?[\w:\-]+ ?|=[\"][^\"]+\"|=\'[^\']+\'|=[\w\-]+|>/gi, '').replace(/[\w:\-]+/gi, function(a) { // NOT OK
+    o.push({specified : 1, nodeName : a});
+  });
+
+  n.cloneNode(false).outerHTML.replace(/<\/?[\w:\-]+ ?|=[\"][^\"]+\"|=\'[^\']+\'|=[\w\-]+|>/gi, '').replace(/[\w:\-]+/gi, function(a) { // NOT OK - but not flagged
+    o.push({specified : 1, nodeName : a});
+  });  
 });