public void WhenK_EnumtwoExpected()
        {
            // Arrange
            string k = "K";

            // Act
            var cardValue = CardValueExtensions.Parse(k);

            // Assert
            Assert.AreEqual(CardValue.K, cardValue);
        }
        public void When2_EnumtwoExpected()
        {
            // Arrange
            string two = "2";

            // Act
            var cardValue = CardValueExtensions.Parse(two);

            // Assert
            Assert.AreEqual(CardValue.two, cardValue);
        }