flakes: ensure that flake packages don't throw during construction
#1631
| Job | Run time |
|---|---|
| 49s | |
| 2m 1s | |
| 2m 26s | |
| 2m 43s | |
| 47s | |
| 49s | |
| 9m 35s |
packages don't throw during construction
#1631
| Job | Run time |
|---|---|
| 49s | |
| 2m 1s | |
| 2m 26s | |
| 2m 43s | |
| 47s | |
| 49s | |
| 9m 35s |