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