TST: fix cupy to_device test on multiple devices
#1277
| Job | Run time |
|---|---|
| 1m 11s | |
| 13s | |
| 1m 4s | |
| 15s | |
| 15s | |
| 13s | |
| 26s | |
| 3m 37s |
to_device test on multiple devices
#1277
| Job | Run time |
|---|---|
| 1m 11s | |
| 13s | |
| 1m 4s | |
| 15s | |
| 15s | |
| 13s | |
| 26s | |
| 3m 37s |