wiemKh

import { async, ComponentFixture, TestBed, fakeAsync, tick } from '@angular/core/testing';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { Router, RouterModule } from '@angular/router';
import { NgModuleFactoryLoader, Component, NgModule } from '@angular/core';
import { RouterTestingModule } from '@angular/router/testing';
import { routes } from './app-routing.module'
import { Location } from '@angular/common';
describe('PageNotfoundComponent', () => {
let component: AppComponent;
let fixture: ComponentFixture<AppComponent>;