public void SixIteration_49DoorsAreOpened(int numberOfIterations, int expectedNumberOfOpenedDoors, int expectedNumberOfClosedDoors)
        {
            // arrange
            // act
            DoorsState actual = _hiker.Answer(numberOfIterations);

            // arrange
            Assert.AreEqual(expectedNumberOfOpenedDoors, actual.Opened);
            Assert.AreEqual(expectedNumberOfClosedDoors, actual.Closed);
        }