public void Should_return_10_as_first10Potens()
        {
            var potensArray = NumberToPotenses.GetPotenses(18);

            Assert.Equal(8, potensArray[0]);
            Assert.Equal(10, potensArray[1]);
        }
        public void Should_return_potenses()
        {
            var potensArray = NumberToPotenses.GetPotenses(2587);

            Assert.Equal(7, potensArray[0]);
            Assert.Equal(80, potensArray[1]);
            Assert.Equal(500, potensArray[2]);
            Assert.Equal(2000, potensArray[3]);
        }
        public void Should_return_8()
        {
            var potensArray = NumberToPotenses.GetPotenses(8);

            Assert.Equal(8, potensArray[0]);
        }