def test_sub(self): # method should start with test
result = Basic.Sub(10, 5)
self.assertEqual(result, 5)
self.assertEqual(Basic.Sub(15, 15), 1)
def test_sub(self): # method should start with test
result = Basic.Sub(10, 5)
self.assertEqual(result, 5)
self.assertEqual(Basic.Sub(15, 15), 1)
