fixed really nasty bug, requestTransaction was called synchronously

src/Connectors/Test.js

@@ -37,6 +37,7 @@ function flushOne(){
     return false;
   }
 }
+
 // setInterval(flushOne, 10);
 
 var userIdCounter = 0;
@@ -64,6 +65,13 @@ class Test extends AbstractConnector {
   disconnect () {
     globalRoom.removeUser(this.userId);
   }
+  flush() {
+    var buff = globalRoom.buffers[this.userId];
+    while (buff.length > 0) {
+      var m = buff.shift();
+      this.receiveMessage(m[0], m[1]);
+    }
+  }
   flushAll () {
     var c = true;
     while (c) {