def test_equal_2(self): self.assertEqual(positive_sum([1, -2, 3, 4, 5]), 13)
def test_equal_1(self): self.assertEqual(positive_sum([1, 2, 3, 4, 5]), 15)
def test_equal_4(self): self.assertEqual(positive_sum([]), 0)
def test_equal_5(self): self.assertEqual(positive_sum([-1, -2, -3, -4, -5]), 0)
def test_equal_3(self): self.assertEqual(positive_sum([-1, 2, 3, 4, -5]), 9)