describe('when navigate to existing hero', () => {
  let expectedHero: Hero;

  beforeEach(async(() => {
    expectedHero = firstHero;
    activatedRoute.setParamMap({ id: expectedHero.id });
    createComponent();
  }));

  it('should display that hero\'s name', () => {
    expect(page.nameDisplay.textContent).toBe(expectedHero.name);
  });
});