Fix E2E Tests

cypress/platform/class.html

@@ -113,8 +113,8 @@ classE o-- classF : aggregation
         callback Shape "callbackFunction" "This is a tooltip for a callback"
 
     </pre>
-    <script src="./mermaid.js"></script>
-    <script>
+    <script type="module">
+      import mermaid from './mermaid.esm.mjs';
       mermaid.parseError = function (err, hash) {
         // console.error('Mermaid error: ', err);
       };