public void ProxyXPathNavigatorData()
        {
            XPathNavigator navigator = new XPathDocument(new StringReader(CommonUtil.Xml)).CreateNavigator();

            proxy.TraceData(new TraceEventCache(), CommonUtil.ServiceModelCategory, TraceEventType.Error, 1, navigator);

            Assert.IsTrue(MockTraceListener.LastEntry is XmlLogEntry);

            XmlLogEntry lastEntry = MockTraceListener.LastEntry as XmlLogEntry;

            Assert.AreEqual(lastEntry.Xml, navigator);
        }