def test_multiples_of_5_6_or_8_up_to_150(self):
     self.assertEqual(sum_of_multiples(150, [5, 6, 8]), 4419)

 def test_configurable_4_6_to_15(self):
     self.assertEqual(30, sum_of_multiples(15, [4, 6]))

 def test_configurable_43_47_to_10000(self):
     self.assertEqual(2203160, sum_of_multiples(10000, [43, 47]))

 def test_sum_to_1(self):
     self.assertEqual(0, sum_of_multiples(1, [3, 5]))

 def test_sum_to_1000(self):
     self.assertEqual(233168, sum_of_multiples(1000, [3, 5]))

 def test_multiples_of_zero_will_be_none(self):
     self.assertEqual(sum_of_multiples(1, [0]), 0)

 def test_multiples_of_several_factors(self):
     self.assertEqual(sum_of_multiples(10000,
                                       [2, 3, 5, 7, 11]), 39614537)

 def test_various_multiples_in_limit(self):
     self.assertEqual(sum_of_multiples(7, [3]), 9)

 def test_various_factors_with_multiples_in_limit(self):
     self.assertEqual(sum_of_multiples(10, [3, 5]), 23)

 def test_multiples_with_no_factors_in_limit(self):
     self.assertEqual(sum_of_multiples(1, [3, 5]), 0)

 def test_multiples_of_one_factor_within_limit(self):
     self.assertEqual(sum_of_multiples(4, [3, 5]), 3)

 def test_multiples_of_1_up_to_100(self):
     self.assertEqual(sum_of_multiples(100, [1]), 4950)

 def test_multiples_of_43_or_47_up_to_10000(self):
     self.assertEqual(sum_of_multiples(10000, [43, 47]), 2203160)

 def test_multiples_of_5_or_25_up_to_51(self):
     self.assertEqual(sum_of_multiples(51, [5, 25]), 275)

 def test_multiples_of_one_will_be_all(self):
     self.assertEqual(sum_of_multiples(100, [1]), 4950)

 def test_multiples_counted_only_once(self):
     self.assertEqual(sum_of_multiples(100, [3, 5]), 2318)

 def test_multiples_of_an_empty_list(self):
     self.assertEqual(sum_of_multiples(10000, []), 0)

 def test_multiples_with_large_limit(self):
     self.assertEqual(sum_of_multiples(1000, [3, 5]), 233168)

 def test_multiples_with_a_zero_factor(self):
     self.assertEqual(sum_of_multiples(4, [0, 3]), 3)

 def test_multiples_with_three_factors(self):
     self.assertEqual(sum_of_multiples(20, [7, 13, 17]), 51)