| must_return_empty_Optional_when_no_new_pair_is_put_1 | 00:00:00.019 | Sun Apr 07 04:49:58 UTC 2019 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_2 | 00:00:00.010 | Sun Apr 07 04:49:58 UTC 2019 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_3 | 00:00:00.000 | Sun Apr 07 04:49:58 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_1 | 00:00:00.027 | Sun Apr 07 04:49:58 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_2 | 00:00:00.006 | Sun Apr 07 04:49:58 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_3 | 00:00:00.003 | Sun Apr 07 04:49:58 UTC 2019 | PASS |