Function detectChanges

src/cdk/menu/menu-trigger.spec.ts:106–109

()

    /** run change detection and, extract and set the rendered elements */
    const detectChanges = () => {
      fixture.detectChanges();
      grabElementsForTesting();
    };

    const setDocumentDirection = (dir: 'ltr' | 'rtl') => (document.dir = dir);