def METHOD_NAME(self):
    self.assertEqual(max_if_not_None([1, 2, None, 3, None]), 3)
    self.assertEqual(max_if_not_None([None, None, None]), None)
    self.assertEqual(max_if_not_None([]), None)
    self.assertEqual(max_if_not_None([None, 3, -1, 2]), 3)
    self.assertEqual(max_if_not_None([0]), 0)
    self.assertEqual(max_if_not_None([0, None]), 0)