Function withFakeFetch

packages/react/src/api/oauth-popup.test.ts:254–263

(fake: typeof fetch, run: () => Promise<void>)

  };

  const withFakeFetch = async (fake: typeof fetch, run: () => Promise<void>): Promise<void> => {
    const previousFetch = globalThis.fetch;
    globalThis.fetch = fake;
    // oxlint-disable-next-line executor/no-try-catch-or-throw -- test boundary: always restore the global fetch
    try {
      await run();
    } finally {
      globalThis.fetch = previousFetch;
    }
  };

  it("never stacks overlapping await requests while the server holds one open", async () => {
    let inFlight = 0;