import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing'; import { IonicModule } from '@ionic/angular'; import { DocumentViewerPage } from './document-viewer.page'; describe('DocumentViewerPage', () => { let component: DocumentViewerPage; let fixture: ComponentFixture; beforeEach(waitForAsync(() => { TestBed.configureTestingModule({ declarations: [ DocumentViewerPage ], imports: [IonicModule.forRoot()] }).compileComponents(); fixture = TestBed.createComponent(DocumentViewerPage); component = fixture.componentInstance; fixture.detectChanges(); })); it('should create', () => { expect(component).toBeTruthy(); }); });