Add integration test for auth failure between mining_device and a pool
#466
| Job | Run time |
|---|---|
| 3m 48s | |
| 2m 0s | |
| 1m 4s | |
| 1m 1s | |
| 53s | |
| 52s | |
| 1m 9s | |
| 3m 36s | |
| 3m 28s | |
| 2m 38s | |
| 3m 22s | |
| 3m 17s | |
| 3m 27s | |
| 3m 34s | |
| 3m 1s | |
| 3m 58s | |
| 2m 53s | |
| 6m 55s | |
| 1s | |
| 50m 57s |