Format all tests.

tests/standalone/io/issue_22637_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 a shutdown(SocketDirection.SEND) of a socket,
 // when the other end is already closed, does not discard unread data
 // that remains in the connection.
 
 import "dart:io";
 import "dart:async";
@@ skipping 13 matching lines @@
         offset += written;
         if (written == 0) {
           serverSide.writeEventsEnabled = true;
           return;
         }
       }
       serverSide.close();
       server.close();
     }
   }
+
   serverSide.listen(serveData);
 }
 
-
 void clientListen(RawSocketEvent event) {
   if (event == RawSocketEvent.READ) {
     client.readEventsEnabled = false;
     new Future.delayed(delay, () {
       var data = client.read(100);
       if (data == null) {
         // If there is no data ready to read, wait until there is data
         // that can be read, before running the rest of the test.
         client.readEventsEnabled = true;
         return;
       }
       client.shutdown(SocketDirection.SEND);
       data = client.read(100);
       Expect.isNotNull(data);
       client.close();
-    });      
+    });
   }
 }
 
-
 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.listen(clientListen);
 }
 
-
 void main() {
   test();
 }