Migrate from 'ReactDom' to 'ReactDOM'

Author: NotMyFault

src/App.test.js

@@ -4,10 +4,9 @@ import App from './App';
 
 it('renders without crashing', () => {
   const div = document.createElement('div');
-  ReactDom.render(
+  ReactDOM.createRoot(div).render(
     <StrictMode>
-      (<App />, div)
-    </StrictMode>,
-    document.getElementById('root')
-  )
+      <App />
+    </StrictMode>
+  );
 });