improve utility methods and tests #7520
| Job | Run time |
|---|---|
| 20s | |
| 5m 10s | |
| 9m 6s | |
| 5m 5s | |
| 7m 16s | |
| 4m 49s | |
| 2m 27s | |
| 1m 18s | |
| 5m 51s | |
| 9m 38s | |
| 1m 56s | |
| 3m 4s | |
| 2m 32s | |
| 1m 51s | |
| 1m 42s | |
| 1m 19s | |
| 1m 16s | |
| 1m 39s | |
| 2m 20s | |
| 1m 35s | |
| 1m 0s | |
| 8m 1s | |
| 1m 1s | |
| 1m 28s | |
| 1m 6s | |
| 1m 16s | |
| 1m 7s | |
| 1m 39s | |
| 1m 4s | |
| 2m 12s | |
| 1m 2s | |
| 1m 10s | |
| 1m 48s | |
| 3m 23s | |
| 1m 53s | |
| 1m 4s | |
| 1m 0s | |
| 5m 5s | |
| 55s | |
| 56s | |
| 1m 32s | |
| 7m 25s | |
| 56s | |
| 1m 18s | |
| 50s | |
| 1s | |
| 2h 0m 26s |