Function teardown

test/server/proxy-option.test.js:887–897

()

    };

    const teardown = async () => {
      for (const client of backendWss.clients) {
        client.terminate();
      }
      backendWss.close();
      backend.closeAllConnections();
      await server.stop();
      await new Promise((resolve) => {
        backend.close(resolve);
      });
    };

    // Open a WebSocket to `path` and report whether the dev-server completed the
    // handshake (`opened`) and whether the upgrade was forwarded to the backend