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