import * as React from 'react'; import { cleanup, render } from '@testing-library/react'; import { Iframe } from '.'; (global as any).fetch = jest.fn().mockImplementation(() => new Promise(res => res({ status: 0 }))); const originalError = console.error; describe('If component', () => { beforeAll(() => { console.error = (...args: any[]) => { if (/Warning.*not wrapped in act/.test(args[0])) { return } originalError.call(console, ...args) } }) afterEach(cleanup); afterAll(() => { console.error = originalError }) afterEach(cleanup); test('Render iframe with particular src', async (end) => { const { container } = render('); end(); }); });