ng2-testing-fix-routerlink

Each test where routerLink is present

import { RouterModule } from '@angular/router';
import { APP_BASE_HREF } from '@angular/common';

    TestBed.configureTestingModule({
      declarations: [ NavComponent ],
      providers: [
        {provide: APP_BASE_HREF, useValue: '/'},
        { provide: AuthService, useValue: mockAuthService }
      ],
      imports:[RouterModule.forRoot([])] 
    })
    .compileComponents();