import { ComponentFixture } from '@angular/core/testing'; import { expect } from '@jest/globals'; import { getElementFromFixture } from './helper'; export function notExistsAsHtmlElement(fixture: ComponentFixture<any>, domElement: string): void { expect(getElementFromFixture(fixture, domElement)).not.toBeInstanceOf(HTMLElement); } export function existsAsHtmlElement(fixture: ComponentFixture<any>, domElement: string): void { expect(getElementFromFixture(fixture, domElement)).toBeInstanceOf(HTMLElement); }