public void AreLotteryNumbersValid(int secondNumber, bool expectedResult)
        {
            // Arrange
            GeneratedLotteryNumbersResult testResult = new GeneratedLotteryNumbersResult(6);

            // Act
            testResult.TrySaveLotteryNumber(1, TextColour.Grey);
            testResult.TrySaveLotteryNumber(secondNumber, TextColour.Grey);
            testResult.TrySaveLotteryNumber(3, TextColour.Grey);
            testResult.TrySaveLotteryNumber(4, TextColour.Grey);
            testResult.TrySaveLotteryNumber(5, TextColour.Grey);
            testResult.TrySaveLotteryNumber(6, TextColour.Grey);

            // Assert
            Assert.Equal(expectedResult, testResult.AreLotteryNumbersValid());
        }