def test_sumFactoral_10_27(self):
        x = 10
        expectedValue = 27

        actualValue = Problem020.sumFactorial(x)
        self.assertEqual(expectedValue, actualValue)
    def test_sumPower_100_(self):
        x = 100
        expectedValue = 648

        actualValue = Problem020.sumFactorial(x)
        self.assertEqual(expectedValue, actualValue)