public void TensTest9()
        {
            var    conversionWebSite = new NumericConverter.Converter();
            string value             = conversionWebSite.Tens(0, 5, tens, teens);

            Console.WriteLine(value);
            Assert.IsFalse(value == "ZER0 ");
        }
        public void TensTest8()
        {
            var    conversionWebSite = new NumericConverter.Converter();
            string value             = conversionWebSite.Tens(0, 8, tens, teens);

            Console.WriteLine(value);
            Assert.IsFalse(value == "EIGHTY" || value == "EIGHTEEN");
        }
        public void TensTest3()
        {
            var    conversionWebSite = new NumericConverter.Converter();
            string value             = conversionWebSite.Tens(1, 7, tens, teens);

            Console.WriteLine(value);
            Assert.AreEqual(value, "SEVENTEEN ");
        }
        public void TensTest7()
        {
            var    conversionWebSite = new NumericConverter.Converter();
            string value             = conversionWebSite.Tens(0, 6, tens, teens);

            Console.WriteLine(value);
            Assert.IsTrue(value == "");
        }
        public void TensTest2()
        {
            var    conversionWebSite = new NumericConverter.Converter();
            string value             = conversionWebSite.Tens(8, 9, tens, teens);

            Console.WriteLine(value);
            Assert.AreEqual(value, "EIGHTY-");
        }