test3.spec.ts

import { AppComponent } from './app.component';

describe('AppComponent', () => {
  let appComponent = new AppComponent();

  it('should create the app', () => {
    const app = appComponent;
    expect(app).toBeTruthy();
  });

  it('should have `app works!` title', () => {
    const title = appComponent.title;
    expect(title).toEqual('app works!'); <---- This is bad :(
  });
});