public void LessThan5Chars()
        {
            NavigateTo.LoginFormThroughtTheMenu(Driver);
            Actions.FillLoginForm(Config.Credentials.Invalid.Username.FourCharacters,
                                  Config.Credentials.Valid.Password, Config.Credentials.Valid.Password, Driver);

            alert = Driver.SwitchTo().Alert();

            Assert.AreEqual(Config.AlertsMessages.UsernameLenghtOutOfRange, alert.Text);
            alert.Accept();
        }