public virtual void UpdateMailbox()
{
peter_mailbox = server.CreateMailbox(peter_account.TeamlabAccount.Name, peter_address.LocalPart,
PETER_PASSWORD, peter_address.Domain, peter_account, TestContext.ServerFactory);
const string new_name = "Peter_New";
server.UpdateMailbox(peter_mailbox, new_name, TestContext.ServerFactory);
var newMailbox = server.GetMailbox(peter_mailbox.Id, TestContext.ServerFactory);
Assert.IsFalse(peter_mailbox.Equals(newMailbox), "Mailbox wasn't updated.");
Assert.IsTrue(newMailbox.Name.Equals(new_name), "Mailbox wasn't updated.");
}