Update dart:io tests to use asyncStart/asyncEnd

tests/standalone/io/socket_invalid_arguments_test.dart

 // Copyright (c) 2013, 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.
 
+import "dart:io";
+
+import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
-import "dart:io";
-import "dart:isolate";
 
 class NotAnInteger {
   operator==(other) => other == 1;
   operator<(other) => other > 1;
   operator+(other) => 1;
 }
 
 class NotAList {
   get length => 10;
   operator[](index) => 1;
 }
 
 testSocketCreation(host, port) {
+  asyncStart();
   Socket.connect(host, port)
       .then((socket) => Expect.fail("Shouldn't get connected"))
-      .catchError((e) => null, test: (e) => e is SocketException)
-      .catchError((e) => null, test: (e) => e is ArgumentError);
+      .catchError((e) {
+        Expect.isTrue(e is ArgumentError || e is SocketException);
+        asyncEnd();
+      });
 }
 
 testAdd(buffer) {
+  asyncStart();
   ServerSocket.bind("127.0.0.1", 0).then((server) {
     server.listen((socket) => socket.destroy());
     Socket.connect("127.0.0.1", server.port).then((socket) {
       int errors = 0;
       socket.done.catchError((e) { errors++; });
       socket.listen(
           (_) { },
           onError: (error) {
             Expect.fail("Error on stream");
           },
           onDone: () {
             Expect.equals(1, errors);
             socket.destroy();
             server.close();
+            asyncEnd();
           });
       socket.add(buffer);
     });
   });
 }
 
 testServerSocketCreation(address, port, backlog) {
+  asyncStart();
   var server;
-  var port = new ReceivePort();
   try {
     ServerSocket.bind(address, port, backlog: backlog)
-        .then((_) { Expect.fail("ServerSocket bound"); });
+        .then((_) { Expect.fail("ServerSocket bound"); })
+        .catchError((e) => asyncEnd());
   } catch (e) {
-    port.close();
+    asyncEnd();
   }
 }
 
 main() {
   testSocketCreation(123, 123);
   testSocketCreation("string", null);
   testSocketCreation(null, null);
   testAdd(null);
   testAdd(new NotAList());
   testAdd(42);
   // TODO(8233): Throw ArgumentError from API implementation.
   // testAdd([-1]);
   // testAdd([2222222222222222222222222222222]);
   // testAdd([1, 2, 3, null]);
   // testAdd([new NotAnInteger()]);
   testServerSocketCreation(123, 123, 123);
   testServerSocketCreation("string", null, null);
   testServerSocketCreation("string", 123, null);
 }