--- a/src/test/helpers.py	Fri Dec 19 11:42:45 2014 +0100
+++ b/src/test/helpers.py	Fri Dec 19 14:43:42 2014 +0100
@@ -25,12 +25,14 @@
 from sat.core import exceptions
 from constants import Const as C
 from wokkel.xmppim import RosterItem
+from wokkel.generic import parseXml
 from sat.core.xmpp import SatRosterProtocol
 from sat.memory.memory import Params, Memory
 from twisted.trial.unittest import FailTest
 from twisted.trial import unittest
 from twisted.internet import defer
 from twisted.words.protocols.jabber.jid import JID
+from twisted.words.xish import domish
 from xml.etree import cElementTree as etree
 from collections import Counter
 import re
@@ -355,10 +357,25 @@
         self.sent = []
 
     def send(self, obj):
-        """Save the sent messages to compare them later"""
+        """Save the sent messages to compare them later.
+
+        @param obj (domish.Element, str or unicode): message to send
+        """
+        if not isinstance(obj, domish.Element):
+            assert(isinstance(obj, str) or isinstance(obj, unicode))
+            obj = parseXml(obj)
+
+        if obj.name == 'iq':
+            # IQ request expects an answer, return the request itself so
+            # you can check if it has been well built by your plugin.
+            self.iqDeferreds[obj['id']].callback(obj)
+
         self.sent.append(obj)
         return defer.succeed(None)
 
+    def addObserver(self, *argv):
+        pass
+
 
 class FakeClient(object):
     """Tests involving more than one profile need one instance of this class per profile"""