Fix wrong context in CallbackSchedulerWaker calls (#472)
#856
| Job | Run time |
|---|---|
| 2m 51s | |
| 5m 24s | |
| 2m 48s | |
| 2m 38s | |
| 5m 19s | |
| 2m 47s | |
| 2m 36s | |
| 6m 8s | |
| 2m 42s | |
| 2m 21s | |
| 6m 17s | |
| 2m 53s | |
| 2m 18s | |
| 6m 57s | |
| 2m 22s | |
| 56m 21s |