Format all tests.

tests/standalone/io/issue_22636_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // This test checks that setting writeEventsEnabled on a socket that is
 // closed for read (the other end has closed for write) does not send
 // an additional READ_CLOSED event.
 
 import "dart:io";
 import "dart:async";
@@ skipping 23 matching lines @@
             server.close();
           });
         }
         break;
       case RawSocketEvent.READ_CLOSED:
         Expect.isFalse(serverReadClosedReceived);
         serverReadClosedReceived = true;
         break;
     }
   }
+
   serverSide.listen(serveData);
 }
 
-
 test() async {
   server = await RawServerSocket.bind(InternetAddress.LOOPBACK_IP_V4, 0);
   server.listen(serverListen);
   client = await RawSocket.connect(InternetAddress.LOOPBACK_IP_V4, server.port);
   client.shutdown(SocketDirection.SEND);
   client.listen((RawSocketEvent event) {
     if (event == RawSocketEvent.READ) {
       client.read();
     }
   });
 }
 
-
 void main() {
   test();
 }