Use wait instead of parallel for coroutine style tcp server. (#4874)

Author: limingxinleo

tests/ServerTest.php

@@ -63,6 +63,7 @@ public function testDeferOnOpenInCoroutineStyleServer()
     public function testEngineServer()
     {
         $serv = new FooServer();
-        $this->assertSame(1, $serv->getServer());
+        $id = rand(0, 99999);
+        $this->assertSame($id, $serv->getServer($id));
     }
 }

tests/Stub/FooServer.php

@@ -12,11 +12,12 @@
 namespace HyperfTest\WebSocketServer\Stub;
 
 use Hyperf\Engine\Http\Server as HttpServer;
+use Swow\Http\Server\Connection;
 
 class FooServer
 {
-    public function getServer(): HttpServer|int
+    public function getServer(int|Connection $id): HttpServer|int
     {
-        return 1;
+        return $id;
     }
 }