import 'zone.js/dist/zone'; import 'zone.js/dist/zone-testing'; import 'jest-preset-angular'; import { getTestBed } from '@angular/core/testing'; import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing'; getTestBed().initTestEnvironment(BrowserDynamicTestingModule, platformBrowserDynamicTesting());