Asking runners if a file is a test file

package.json

@@ -108,6 +108,8 @@
         "c9.ide.save": "#e00549cb0f",
         "c9.ide.scm": "#0bccfb982b",
         "c9.ide.terminal.monitor": "#b76f1c9f24",
+        "c9.ide.test": "#bf476acc57",
+        "c9.ide.test.mocha": "#3f96974268",
         "c9.ide.theme.flat": "#2de8414db7",
         "c9.ide.threewaymerge": "#229382aa0b",
         "c9.ide.undo": "#b028bcb4d5",

plugins/c9.nodeapi/events.js

@@ -190,7 +190,7 @@ EventEmitter.prototype.on = EventEmitter.prototype.addListener;
  * ```
  */
 
-EventEmitter.prototype.once = function(type, listener) {
+EventEmitter.prototype.once = function(type, listener, plugin) {
     var self = this;
     
     var wrapped = function() {
@@ -199,7 +199,7 @@ EventEmitter.prototype.once = function(type, listener) {
     }
     wrapped.listener = listener;
     
-    self.on(type, wrapped);
+    self.on(type, wrapped, plugin);
 
     return this;
 };