Add subresource integrity checks (#231)

Author: drewnielson

_layouts/testcase.html

@@ -51,5 +51,8 @@ <h3 id="TCsteps">Test Case Instruction</h3>
                         <div id="TCsteps_table">{{content}}</div>
         </div>
     </div>
-<script src="https://code.jquery.com/jquery-3.4.1.slim.min.js"></script>
+<script src="https://code.jquery.com/jquery-3.4.1.slim.min.js"
+    integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n"
+    crossorigin="anonymous">
+</script>
 <script src="/assets/js/testcases.js"></script>

testfiles/TF01/1.1-2-fail-1.html

@@ -23,7 +23,11 @@
 
 <button id="btnReset">Request Password Reset</button>
 
-<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js'></script>
+<script 
+  src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"
+  integrity="sha384-1H2T9wSvYLSIfaLxHE7dDb3v4mYCkbpQvzx0cegjeju1MvsGrX5xXxAvs/HqeFs="
+  crossorigin="anonymous">
+</script>
 <script>
 $(function(){