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