src/test.ts
import './polyfills';
import 'zone.js/dist/long-stack-trace-zone';
import 'zone.js/dist/proxy.js';
import 'zone.js/dist/sync-test';
import 'zone.js/dist/jasmine-patch';
import 'zone.js/dist/async-test';
import 'zone.js/dist/fake-async-test';
import { TestBed } from '@angular/core/testing';
import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';
declare var require: any;
TestBed.initTestEnvironment(
BrowserDynamicTestingModule,
platformBrowserDynamicTesting()
);
const context = require.context('./', true, /\.spec\.ts/);
context.keys().map(context);