Don't double-close a WebSocket in web_socket_test.
diff --git a/test/web_socket_test.dart b/test/web_socket_test.dart
index 60934c5..4da985a 100644
--- a/test/web_socket_test.dart
+++ b/test/web_socket_test.dart
@@ -14,7 +14,7 @@
return HttpServer.bind("localhost", 0).then((server) {
server.transform(new WebSocketTransformer()).listen((webSocket) {
webSocket.add("hello!");
- webSocket.first.then((request) {
+ webSocket.listen((request) {
expect(request, equals("ping"));
webSocket.add("pong");
webSocket.close();