CEC-5618: add all diagnostic commands and resolve node 16 error (#494)

src/components/App/App.test.js

@@ -18,6 +18,7 @@ import App from ".";
 import addSnapshotSerializer from "../../utils/snapshot";
 import { TEST_AUTH_OBJECT_FISKER, TEST_AUTH_OBJECT_MAGNA } from "../../utils/testing";
 import { setToken } from "../Contexts/UserContext";
+import structuredClone from '@ungap/structured-clone';
 
 const LOADING_STATUS = "Loading...";
 
@@ -51,6 +52,10 @@ describe("App", () => {
     global.URL.createObjectURL = jest.fn();
     addSnapshotSerializer(expect);
     jest.setTimeout(10000);
+
+    if (!("structuredClone" in global)) {
+      global.structuredClone = structuredClone;
+    }
   }, 60000);
 
   afterEach(() => {