| must_return_empty_Optional_when_no_new_pair_is_put_1 | 00:00:00.002 | Sat Dec 15 04:42:02 UTC 2018 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_2 | 00:00:00.003 | Sat Dec 15 04:42:02 UTC 2018 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_3 | 00:00:00.002 | Sat Dec 15 04:42:02 UTC 2018 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_1 | 00:00:00.002 | Sat Dec 15 04:42:02 UTC 2018 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_2 | 00:00:00.006 | Sat Dec 15 04:42:02 UTC 2018 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_3 | 00:00:00.003 | Sat Dec 15 04:42:02 UTC 2018 | PASS |