const dc = () => ng.probe(getAllAngularRootElements()[0])
    .injector.get(ng.coreTokens.ApplicationRef).tick();

const router = ng.probe(getAllAngularRootElements()[0])
    .injector.get(ng.coreTokens.Router);

const go = (url) => router.navigateByUrl(url).then(() => dc());

const store = () => ng.probe(getAllAngularRootElements()[0]).componentInstance.store.source.value;

const component = () => ng.probe($0).componentInstance;