Unflake functional test that we retry requests to bitcoind on getting a 503.
#1070
| Job | Run time |
|---|---|
| 3m 46s | |
| 3m 40s | |
| 43s | |
| 50s | |
| 3m 15s | |
| 4m 12s | |
| 4m 1s | |
| 4m 26s | |
| 5m 45s | |
| 3m 56s | |
| 1m 32s | |
| 1m 42s | |
| 2m 38s | |
| 2m 29s | |
| 2m 53s | |
| 4m 46s | |
| 8m 4s | |
| 7m 51s | |
| 7m 5s | |
| 6m 30s | |
| 7m 30s | |
| 8m 34s | |
| 3m 45s | |
| 3m 29s | |
| 5m 38s | |
| 5m 36s | |
| 4m 44s | |
| 6m 42s | |
| 2h 6m 2s |