import { TestBed } from '@angular/core/testing'; import { ModalWarningService } from './modal-warning.service'; describe('ModalWarningService', () => { let service: ModalWarningService; beforeEach(() => { TestBed.configureTestingModule({}); service = TestBed.inject(ModalWarningService); }); it('should be created', () => { expect(service).toBeTruthy(); }); });