test: Fix panic in receive_emails benchmark
#17296
| Job | Run time |
|---|---|
| 36s | |
| 4m 0s | |
| 2m 18s | |
| 4s | |
| 4s | |
| 14s | |
| 2m 41s | |
| 2m 12s | |
| 3m 12s | |
| 3m 15s | |
| 2m 37s | |
| 8m 9s | |
| 5m 1s | |
| 4m 24s | |
| 3m 30s | |
| 5m 1s | |
| 6m 14s | |
| 6m 13s | |
| 5m 58s | |
| 4m 57s | |
| 2m 21s | |
| 1m 54s | |
| 3m 15s | |
| 1m 54s | |
| 2m 9s | |
| 2m 27s | |
| 1h 24m 40s |