fix merge config if there is only one param set #7729
| Job | Run time |
|---|---|
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| 5m 4s | |
| 8m 53s | |
| 4m 39s | |
| 7m 4s | |
| 4m 40s | |
| 2m 2s | |
| 1m 13s | |
| 5m 55s | |
| 9m 53s | |
| 1m 56s | |
| 3m 1s | |
| 2m 39s | |
| 1m 47s | |
| 1m 34s | |
| 1m 20s | |
| 1m 15s | |
| 1m 41s | |
| 2m 20s | |
| 1m 31s | |
| 1m 0s | |
| 8m 5s | |
| 1m 7s | |
| 1m 23s | |
| 57s | |
| 1m 2s | |
| 57s | |
| 1m 40s | |
| 1m 17s | |
| 2m 9s | |
| 1m 9s | |
| 1m 2s | |
| 1m 14s | |
| 3m 25s | |
| 1m 57s | |
| 53s | |
| 1m 7s | |
| 4m 57s | |
| 1m 1s | |
| 57s | |
| 1m 26s | |
| 7m 59s | |
| 1m 2s | |
| 1m 31s | |
| 47s | |
| 1s | |
| 2h 12m 30s |