Prevent Prism.js and highlight.js automatic highlighting interfering in i18n test

Author: WebCoder49

tests/i18n.html

@@ -7,7 +7,7 @@
 
         <!--Import Prism-->
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism.min.css">
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js" data-manual></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/autoloader/prism-autoloader.min.js"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.js"></script>
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.css">