testrunner: do not load std.cfg in executor tests (#8419)
#22363
| Job | Run time |
|---|---|
| 9m 41s | |
| 6m 30s | |
| 4m 36s | |
| 5m 40s | |
| 4m 2s | |
| 1m 33s | |
| 4m 2s | |
| 1m 33s | |
| 1m 48s | |
| 10m 2s | |
| 1m 57s | |
| 1m 6s | |
| 1m 39s | |
| 54m 9s |