public void Test_DisplayInvalidUsernamePasswordColor()
        {
            UserLogin userLogin  = new UserLogin();
            Label     ErrorLabel = new Label();

            userLogin.DisplayInvalidUsernamePasswordMessage(ErrorLabel);;
            Assert.AreEqual(Color.Red, ErrorLabel.ForeColor);
        }
        public void Test_DisplayInvalidUsernamePasswordUserMessage()
        {
            UserLogin userLogin  = new UserLogin();
            Label     ErrorLabel = new Label();

            userLogin.DisplayInvalidUsernamePasswordMessage(ErrorLabel);
            string usernamePasswordMessage = "Username/Password is invalid. \nPlease enter only alphabets or numbers. Username should be at most 15 chars";

            Assert.AreEqual(userLogin.usernamePasswordMessage, usernamePasswordMessage);
        }