Function setDocumentDirection

src/cdk/menu/menu-trigger.spec.ts:111–111

(dir: 'ltr' | 'rtl')

    };

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

    beforeEach(() => {
      fixture = TestBed.createComponent(MenuBarWithNestedSubMenus);