import React from 'react'; import { render, screen } from '@testing-library/react'; import Navbar from '..'; describe('', () => { it('should render component with default props', () => { const { container } = render(); expect(container).toMatchSnapshot(); }); it('should render component with custom text', () => { Object.defineProperty(window, 'innerWidth', { writable: true, configurable: true, value: 1280 }); render(My Account); const button = screen.getByText('My Account'); expect(button).toBeInTheDocument(); }); });