import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing'; import { IonicModule } from '@ionic/angular'; import { Tab4Page } from './tab4.page'; describe('Tab4Page', () => { let component: Tab4Page; let fixture: ComponentFixture; beforeEach(waitForAsync(() => { TestBed.configureTestingModule({ declarations: [ Tab4Page ], imports: [IonicModule.forRoot()] }).compileComponents(); fixture = TestBed.createComponent(Tab4Page); component = fixture.componentInstance; fixture.detectChanges(); })); it('should create', () => { expect(component).toBeTruthy(); }); });