function assertThrowsAsyncimport { assertThrowsAsync } from "https://deno.land/x/denjucks@1.1.1/src/deps/path/std/testing/asserts.ts"; assertThrowsAsync(fn: () => Promise<void>,ErrorClass?: Constructor,msgIncludes?,msg?: string,): Promise<Error>Parametersfn: () => Promise<void>optionalErrorClass: ConstructoroptionalmsgIncludes = [UNSUPPORTED]optionalmsg: stringReturnsPromise<Error>