Mojo JS validation unit test should check Connection et al

mojo/public/js/bindings/connector.js

Index: mojo/public/js/bindings/connector.js
diff --git a/mojo/public/js/bindings/connector.js b/mojo/public/js/bindings/connector.js
index cf7c93b8773e0345bdf36d3646d31a8443f7a2df..495896d3b2a59200c28b86c3c4163a891035f523 100644
--- a/mojo/public/js/bindings/connector.js
+++ b/mojo/public/js/bindings/connector.js
@@ -104,7 +104,24 @@ define("mojo/public/js/bindings/connector", [
     }
   };
 
+  // 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.
+
+  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);
+  }
+
   var exports = {};
   exports.Connector = Connector;
+  exports.TestConnector = TestConnector;
   return exports;
 });