public void Group_Contains_ShouldWorkCorrectly()
{
var group = new FlowGroup(server);
group.Add(destinationClients[1]);
Assert.AreEqual(false, group.Contains(destinationClients[0]));
Assert.AreEqual(true, group.Contains(destinationClients[1]));
Assert.AreEqual(false, group.Contains(destinationClients[2]));
}
