Update polyfills.ts

Author: maksymkaD

src/polyfills.ts

@@ -45,7 +45,8 @@
 /***************************************************************************************************
  * Zone JS is required by default for Angular itself.
  */
-import 'zone.js/dist/zone';  // Included with Angular CLI.
+import 'zone.js';
+import 'zone.js/testing'; // Included with Angular CLI.
 
 
 /***************************************************************************************************