public void Append_Appending_CallsShipperWithCorrectValues()
{
_target.DoAppend(GetLoggingEventWithSomeData());
_target.Close();
_shipper.Received().Ship(Arg.Is <LogzioLoggingEvent>(x => (string)x.LogData["domain"] == "Such domain"),
Arg.Any <ShipperOptions>());
}