public void DeserialiseEventKnownFSharpTypeIsKnowInvered()
        {
            var evt = new LeaveEntryCreated(Guid.NewGuid(), DateTime.Now, DateTime.UtcNow, "Foo");
            var json = JsonConvert.SerializeObject(evt);
            var eventHeader = new Dictionary<string, string>
                           {
                               { "EventClrType", evt.GetType().AssemblyQualifiedName }
                           };
            var metaData = JsonConvert.SerializeObject(eventHeader);

            var eventName = JObject.Parse(metaData).Property("EventClrType").Value.ToString();
            var eventType = Type.GetType(eventName);
            var des = JsonConvert.DeserializeObject(json, eventType);
            Assert.AreEqual(evt, des);
        }