function waitForimport { waitFor } from "https://deno.land/x/fresh_testing_library@0.13.1/deps/testing-library.ts"; waitFor<T>(callback: () => Promise<T> | T, options?: waitForOptions): Promise<T>Type ParametersTParameterscallback: () => Promise<T> | Toptionaloptions: waitForOptionsReturnsPromise<T>