add unit test with null input #158
| Job | Run time |
|---|---|
| 5m 58s | |
| 4m 2s | |
| 7m 7s | |
| 4m 1s | |
| 6m 8s | |
| 4m 59s | |
| 6m 52s | |
| 4m 55s | |
| 5m 40s | |
| 5m 8s | |
| 11m 56s | |
| 4m 50s | |
| 5m 6s | |
| 6m 37s | |
| 6m 23s | |
| 6m 55s | |
| 4m 0s | |
| 4m 8s | |
| 4m 56s | |
| 5m 6s | |
| 5m 16s | |
| 4m 46s | |
| 4m 46s | |
| 5m 46s | |
| 5m 49s | |
| 6m 11s | |
| 3m 42s | |
| 3m 53s | |
| 4m 31s | |
| 4m 47s | |
| 4m 55s | |
| 4m 35s | |
| 4m 43s | |
| 5m 52s | |
| 5m 50s | |
| 6m 31s | |
| 3h 16m 40s |