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import { assert } from "https://deno.land/std@0.180.0/testing/asserts.ts";
import React from "http://localhost:8080/react@18&dev";import { renderToString } from "http://localhost:8080/react-dom@18&dev/server";
Deno.test("react@18(dev)", () => {  const html = renderToString(    <main>      <h1>Hi :)</h1>    </main>,  );  assert(    typeof html === "string" &&      html.includes("<h1>Hi :)</h1>") &&      html.includes("<main") && html.includes("</main>"),  );});