| must_return_empty_Optional_when_no_new_pair_is_put_1 | 00:00:00.005 | Sun Sep 01 04:46:57 UTC 2019 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_2 | 00:00:00.011 | Sun Sep 01 04:46:57 UTC 2019 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_3 | 00:00:00.004 | Sun Sep 01 04:46:57 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_1 | 00:00:00.008 | Sun Sep 01 04:46:58 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_2 | 00:00:00.010 | Sun Sep 01 04:46:58 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_3 | 00:00:00.004 | Sun Sep 01 04:46:58 UTC 2019 | PASS |