Estoy usando angular-testing-library para mis pruebas de componentes. cuando se espera que falle, después de establecer el valor, mi caso de prueba no falla. alguien me ayuda? (título, título nuevo - @ entradas)

 import { render, screen } from '@testing-library/angular'; import userEvent from "@testing-library/user-event"; import { UserViewComponent } from './user-view.component'; import { provideMockStore } from "@ngrx/store/testing"; import { RouterTestingModule } from '@angular/router/testing'; import { ShellUserViewComponent } from '../../containers/shell-user-view/shell-user-view.component'; import { of } from 'rxjs'; describe('ShellUserViewComponent', () => { beforeEach(async () => { await render(ShellUserViewComponent, { componentProperties: { title: "welcome to Chennai", newTitle: "new title for test", users$: of([]) }, imports: [RouterTestingModule], declarations: [UserViewComponent], providers: [provideMockStore({})] }); }) it('should find the welcome as title', () => { expect(screen.findByText(/welcome to Chennaicc/i)).toBeTruthy(); //not failing cc added expect(screen.findByText(/new title for testx/i)).toBeTruthy(); //not failing x added }); });