Backport ci deb: tweak downgrade test case #3104
| Job | Run time |
|---|---|
| 12m 41s | |
| 12m 46s | |
| 15m 17s | |
| 24m 59s | |
| 25m 47s | |
| 1m 1s | |
| 1m 16s | |
| 1m 11s | |
| 1m 1s | |
| 1m 0s | |
| 1m 1s | |
| 1m 8s | |
| 1m 1s | |
| 1m 6s | |
| 2m 14s | |
| 2m 10s | |
| 2m 21s | |
| 1m 47s | |
| 1m 34s | |
| 1m 34s | |
| 1m 51s | |
| 2m 10s | |
| 1m 28s | |
| 1m 24s | |
| 1m 30s | |
| 1m 29s | |
| 1m 19s | |
| 2h 4m 6s |