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import { assertStringIncludes } from "https://deno.land/std@0.180.0/testing/asserts.ts";
Deno.test("issue #509", async () => {  const res = await fetch("http://localhost:8080/react@18.2.0", {    headers: {      "User-Agent": "HeadlessChrome/109",    },  });  const text = await res.text();  assertStringIncludes(text, "/es2022/");});