def testSum2(self):
failedMessage = "Sum Failed"
self.assertEqual(5, hw.sum2(2, 3), failedMessage)
self.assertEqual(4, hw.sum2(2, 2), failedMessage)
self.assertEqual(10, hw.sum2(7, 3), failedMessage)
self.assertEqual(90, hw.sum2(40, 50), failedMessage)
self.assertEqual(15, hw.sum2(7, 8), failedMessage)
self.assertEqual(0, hw.sum2(1, -1), failedMessage)
self.assertEqual(0, hw.sum2(0, 0), failedMessage)
