public void TestValidate_6()
        {
            IActionValidator validator = new FiveByFiveTableActionValidator();

            Assert.IsTrue(validator.Validate(4, 4), "inside table - top right corner");
        }
        public void TestValidate_4()
        {
            IActionValidator validator = new FiveByFiveTableActionValidator();

            Assert.IsFalse(validator.Validate(0, 5), "y is outside the top edge of the table");
        }
        public void TestValidate_5()
        {
            IActionValidator validator = new FiveByFiveTableActionValidator();

            Assert.IsTrue(validator.Validate(0, 0), "inside table - left bottom corner");
        }
        public void TestValidate_2()
        {
            IActionValidator validator = new FiveByFiveTableActionValidator();

            Assert.IsFalse(validator.Validate(5, 0), "x is outside the right edge of the table");
        }