If http server is started in `Deno.test.beforeAll` and requested in test case, the sanitizer detects op leaks

[kt3k]

If I write test case like the below:

Deno.test.beforeAll(async () => {
  const serverStarted = Promise.withResolvers();
  Deno.serve({ onListen: serverStarted.resolve }, () => {
    return new Response("some fixture response");
  });
  await serverStarted.promise;
});

Deno.test("some test using fixture server", async () => {
  const resp = await fetch("http://localhost:8000/");
  const text = await resp.text();
  if (text !== "some fixture response") {
    throw new Error(`Unexpected response: ${text}`);
  }
});

The sanitizer reports these leaks:

error: Leaks detected:
  - An async call to op_http_wait was started before the test, but completed during the test. Async operations should not complete in a test if they were not started in that test.
  - An async call to op_http_wait was started in this test, but never completed.
To get more details where leaks occurred, run again with the --trace-leaks flag.

This seems to be the correct behavior of the sanitizer, but it also means that Deno.serve cannot be used inside Deno.test.beforeAll.
Since starting a web server as a fixture is a common need in testing, can we somehow enable this pattern to work without op leak detected?