gh-142651: use NonCallableMock._lock for thread safety of call_count
#226550
| Job | Run time |
|---|---|
| 6s | |
| 4s | |
| 10s |
NonCallableMock._lock for thread safety of call_count
#226550
| Job | Run time |
|---|---|
| 6s | |
| 4s | |
| 10s |