public void CheckAnswer_10_Incorrect()
        {
            IRiddle riddle = new ExactAnswerRiddle("What is the answer?", "42");

            var result = riddle.CheckAnswer(new TextAnswer("10"));
            Assert.IsFalse(result);
        }
        public void CheckAnswer_42_Correct()
        {
            IRiddle riddle = new ExactAnswerRiddle("What is the answer?", "42");

            Assert.AreEqual("What is the answer?", riddle.Question);
            var result = riddle.CheckAnswer(new TextAnswer("42"));
            Assert.IsTrue(result);
        }
        public void CheckAnswer_10_Incorrect()
        {
            IRiddle riddle = new ExactAnswerRiddle("What is the answer?", "42");

            var result = riddle.CheckAnswer(new TextAnswer("10"));

            Assert.IsFalse(result);
        }
        public void CheckAnswer_42_Correct()
        {
            IRiddle riddle = new ExactAnswerRiddle("What is the answer?", "42");

            Assert.AreEqual("What is the answer?", riddle.Question);
            var result = riddle.CheckAnswer(new TextAnswer("42"));

            Assert.IsTrue(result);
        }