import { TestBed } from '@angular/core/testing'; import { CanActivateFn } from '@angular/router'; import { authenticationGuard } from './authentication.guard'; describe('authenticationGuard', () => { const executeGuard: CanActivateFn = (...guardParameters) => TestBed.runInInjectionContext(() => authenticationGuard(...guardParameters)); beforeEach(() => { TestBed.configureTestingModule({}); }); it('should be created', () => { expect(executeGuard).toBeTruthy(); }); });