Add a test to ensure the rendering

Author: Duc Le

src/App.test.js

@@ -42,7 +42,6 @@ const Todo = () => {
 
     // Save to localStorage
     saveTodoItemsToLocalStorage('todo', newTodoItems)
-        console.log(newTodoItems)
   }, [todoItems]) // Dependencies list for useCallback
 
   const removeTodoHandler = useCallback(id => {

src/Todo.js

@@ -0,0 +1,9 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+import Todo from './Todo';
+
+test('renders add todo input', () => {
+  const { getByPlaceholderText } = render(<Todo />);
+  const addTodoInputElement = getByPlaceholderText(/What needs to be done?/i);
+  expect(addTodoInputElement).toBeInTheDocument();
+});