devops: enable retries in Docker tests #2769
| Job | Run time | 
|---|---|
| 6m 33s | |
| 9m 1s | |
| 15m 57s | |
| 26m 28s | |
| 16m 12s | |
| 18m 11s | |
| 9m 38s | |
| 30m 16s | |
| 15m 3s | |
| 7m 13s | |
| 7m 31s | |
| 9m 3s | |
| 28m 59s | |
| 7m 22s | |
| 14m 37s | |
| 30m 24s | |
| 14m 7s | |
| 4h 26m 35s | 
| Job | Run time | 
|---|---|
| 6m 33s | |
| 9m 1s | |
| 15m 57s | |
| 26m 28s | |
| 16m 12s | |
| 18m 11s | |
| 9m 38s | |
| 30m 16s | |
| 15m 3s | |
| 7m 13s | |
| 7m 31s | |
| 9m 3s | |
| 28m 59s | |
| 7m 22s | |
| 14m 37s | |
| 30m 24s | |
| 14m 7s | |
| 4h 26m 35s |