public void WriteOnly()
{
var connectionGroup = new ConnectionGroup("node-0");
var connectionString = string.Format("{0}:{1},allowAdmin=True", "12.34.56.78", "1234");
connectionGroup.AddWriteConnection(connectionString, false);
Assert.Equal("node-0", connectionGroup.Name);
Assert.Equal(0, connectionGroup.ReadConnections.Count);
Assert.Equal(connectionString, connectionGroup.WriteConnection);
}