Add initial App component test

src/tests/App.test.tsx

@@ -0,0 +1,15 @@
+import React from 'react';
+import { render, screen } from '@testing-library/react';
+
+import App from '../components/App';
+
+describe('App', () => {
+	test('renders App component', () => {
+		render(<App />);
+
+    // screen.debug();    
+    expect(screen.getByText('Spoti Search')).toBeInTheDocument();
+    expect(screen.getByRole('textbox')).toBeInTheDocument();
+    expect(screen.getByPlaceholderText('Type an artist name')).toBeInTheDocument();
+	});
+});