def METHOD_NAME(self):
    """Ensure split_list works properly"""
    BIG_LIST_SIZE = 42
    SEGMENT_SIZE = 5
    big_list = ['1'] * BIG_LIST_SIZE
    small_lists = list(split_list(big_list, SEGMENT_SIZE))
    expected_small_list_count = ceildiv(BIG_LIST_SIZE, SEGMENT_SIZE)
    self.assertEqual(len(small_lists), expected_small_list_count)