text: Error.stackTraceLimit = Infinity;
  
  require('core-js/es6');
  require('core-js/es7/reflect');
  
  require('zone.js/dist/zone');
  require('zone.js/dist/long-stack-trace-zone');
  require('zone.js/dist/proxy');
  require('zone.js/dist/sync-test');
  require('zone.js/dist/jasmine-patch');
  require('zone.js/dist/async-test');
  require('zone.js/dist/fake-async-test');
  
  let appContext = require.context('../src', true, /\.spec\.ts/);
  
  appContext.keys().forEach(appContext);
  
  const testing = require('@angular/core/testing');
  const browser = require('@angular/platform-browser-dynamic/testing');
  
  testing.TestBed.initTestEnvironment(
    browser.BrowserDynamicTestingModule,
    browser.platformBrowserDynamicTesting()
  );
  