| must_return_empty_Optional_when_no_new_pair_is_put_1 | 00:00:00.010 | Tue Apr 09 04:45:09 UTC 2019 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_2 | 00:00:00.016 | Tue Apr 09 04:45:09 UTC 2019 | PASS |
| must_return_empty_Optional_when_no_new_pair_is_put_3 | 00:00:00.007 | Tue Apr 09 04:45:09 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_1 | 00:00:00.010 | Tue Apr 09 04:45:09 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_2 | 00:00:00.001 | Tue Apr 09 04:45:09 UTC 2019 | PASS |
| must_return_the_new_key_when_a_new_pair_is_put_3 | 00:00:00.008 | Tue Apr 09 04:45:09 UTC 2019 | PASS |