Fixed Header

src/App.tsx

 import React, { FC } from 'react';
 import { BrowserRouter as Router, Switch, Route } from 'react-router-dom';
-import { AuthUser } from './components/AuthUser/AuthUser';
+import { AuthUser } from './components/HomePage/HomePage';
 
 export const App: FC = () => (
   <Router>
     <Switch>
       <Route path="/">
         <div data-testid="App">
-          <AuthUser />
+          <HomePage />
         </div>
       </Route>
     </Switch>