failing test for EventEmitter.once backwards compatibility

test/unit/utils-tests.js

@@ -0,0 +1,19 @@
+require(__dirname + '/test-helper');
+
+//this tests the monkey patching
+//to ensure comptability with older
+//versions of node
+test("EventEmitter.once", function() {
+  
+  //an event emitter
+  var stream = new MemoryStream();
+
+  var callCount = 0;
+  stream.once('single', function() {
+    callCount++;
+  });
+  
+  stream.emit('single');
+  stream.emit('single');
+  assert.equal(callCount, 1);
+});