import { waitForAsync, ComponentFixture, TestBed } from '@angular/core/testing'; import { DemoEditComponent } from './edit.component'; describe('DemoEditComponent', () => { let component: DemoEditComponent; let fixture: ComponentFixture; beforeEach(waitForAsync(() => { TestBed.configureTestingModule({ declarations: [ DemoEditComponent ] }) .compileComponents(); })); beforeEach(() => { fixture = TestBed.createComponent(DemoEditComponent); component = fixture.componentInstance; fixture.detectChanges(); }); it('should create', () => { expect(component).toBeTruthy(); }); });