Mojo JS bindings: fix the unittests.

mojo/public/js/connector.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 define("mojo/public/js/connector", [
   "mojo/public/js/buffer",
   "mojo/public/js/codec",
   "mojo/public/js/core",
   "mojo/public/js/support",
 ], function(buffer, codec, core, support) {
@@ skipping 92 matching lines @@
       }
       var messageBuffer = new buffer.Buffer(read.buffer);
       var message = new codec.Message(messageBuffer, read.handles);
       if (this.incomingReceiver_) {
           this.incomingReceiver_.accept(message);
       }
     }
   };
 
   // The TestConnector subclass is only intended to be used in unit tests. It
-  // enables delivering a message to the pipe's handle without an async wait.
-
+  // doesn't automatically listen for input messages. Instead, you need to
+  // call waitForNextMessage to block and wait for the next incoming message.
   function TestConnector(handle) {
     Connector.call(this, handle);
   }
 
   TestConnector.prototype = Object.create(Connector.prototype);
 
   TestConnector.prototype.waitToReadMore_ = function() {
-  };
+  }
 
-  TestConnector.prototype.deliverMessage = function() {
-    this.readMore_(core.RESULT_OK);
+  TestConnector.prototype.waitForNextMessage = function() {
+    var wait = core.wait(this.handle_, core.HANDLE_SIGNAL_READABLE,
+                         core.DEADLINE_INDEFINITE);
+    this.readMore_(wait.result);
   }
 
   var exports = {};
   exports.Connector = Connector;
   exports.TestConnector = TestConnector;
   return exports;
 });