diff --git a/apps/teams-test-app/src/App.tsx b/apps/teams-test-app/src/App.tsx
index 052b3815e5..02ae87109b 100644
--- a/apps/teams-test-app/src/App.tsx
+++ b/apps/teams-test-app/src/App.tsx
@@ -35,10 +35,14 @@ if (
 } else {
   if (isTestBackCompat()) {
     appInitialization.notifyAppLoaded();
-    appInitialization.notifySuccess();
+    if (!urlParams.has('noSuccess') || urlParams.get('noSuccess') !== 'true') {
+      appInitialization.notifySuccess();
+    }
   } else {
-    app.notifyAppLoaded();
-    app.notifySuccess();
+    // app.notifyAppLoaded();
+    if (!urlParams.has('noSuccess') || urlParams.get('noSuccess') !== 'true') {
+      app.notifySuccess();
+    }
   }
 }
 
diff --git a/apps/teams-test-app/src/pages/TestApp.tsx b/apps/teams-test-app/src/pages/TestApp.tsx
index 24d248095a..876aef154e 100644
--- a/apps/teams-test-app/src/pages/TestApp.tsx
+++ b/apps/teams-test-app/src/pages/TestApp.tsx
@@ -1,5 +1,5 @@
 import { IAppWindow } from '@microsoft/teams-js';
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 
 import AppAPIs from '../components/AppAPIs';
 import AppEntityAPIs from '../components/AppEntityAPIs';
@@ -68,12 +68,28 @@ import WebStorageAPIs from '../components/WebStorageAPIs';
 
 export const TestApp: React.FC = () => {
   const dialogWindowRef = React.useRef<IAppWindow | null>(null);
+  const [shouldNest, setShouldNest] = useState(false);
+
+  useEffect(() => {
+    const urlParams = new URLSearchParams(window.location.search);
+    setShouldNest(urlParams.get('shouldNest') === 'true');
+  }, []);
 
   return (
     <>
       <button id="button_reload" onClick={() => window.location.reload()}>
         Reload This App
       </button>
+      {shouldNest && (
+        <iframe
+          src="https://localhost:3001/?noSuccess=true"
+          width="500px"
+          height="500px"
+          style={{ border: 'none' }}
+          title="Embedded Content"
+          sandbox="allow-scripts"
+        />
+      )}
       <div className="App-container">
         <AppAPIs />
         <AppInitializationAPIs />