fix obs popup issues

tests/browser_race_day.js

@@ -1,43 +1,5 @@
 import assert from "node:assert/strict";
-import { createHash } from "node:crypto";
-import { createServer } from "node:http";
-import { createServer as createNetServer } from "node:net";
-
-async function freePort() {
-  const server = createNetServer();
-  await new Promise((resolve, reject) => { server.once("error", reject); server.listen(0, "127.0.0.1", resolve); });
-  const port = server.address().port;
-  await new Promise(resolve => server.close(resolve));
-  return port;
-}
-
-// Accepts the WebSocket upgrade handshake so the frontend's real decoder-connect path
-// (src/decoder_runtime.js) reaches `connected: true` without a physical AMMC decoder.
-// No frames are sent or parsed: this scenario only needs an established socket, not lap data.
-async function startFakeDecoder() {
-  const port = await freePort();
-  const server = createServer();
-  // The upgraded sockets are intentionally left open (no decoder frames needed for this
-  // scenario), so server.close() alone would wait forever for them to end; track and
-  // destroy them explicitly instead. closeAllConnections() does not reach upgraded sockets.
-  const sockets = new Set();
-  server.on("upgrade", (req, socket) => {
-    sockets.add(socket);
-    socket.on("close", () => sockets.delete(socket));
-    const key = req.headers["sec-websocket-key"];
-    if (!key) { socket.destroy(); return; }
-    const accept = createHash("sha1").update(key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11").digest("base64");
-    socket.write(["HTTP/1.1 101 Switching Protocols", "Upgrade: websocket", "Connection: Upgrade", `Sec-WebSocket-Accept: ${accept}`, "", ""].join("\r\n"));
-  });
-  await new Promise((resolve, reject) => { server.once("error", reject); server.listen(port, "127.0.0.1", resolve); });
-  return {
-    port,
-    close: () => new Promise(resolve => {
-      for (const socket of sockets) socket.destroy();
-      server.close(() => resolve());
-    }),
-  };
-}
+import { startFakeDecoder } from "./browser_fake_decoder.js";
 
 export async function runRaceDaySmoke({ evaluate, navigate, fill, savedState, waitFor, pause, base, dialogs = [] }) {
   const click = id => evaluate(`document.getElementById(${JSON.stringify(id)}).click()`);