Switch testing communication to fifo on linux/mac
#11707
| Job | Run time |
|---|---|
| 1m 55s | |
| 1m 54s | |
| 3m 49s |
fifo on linux/mac
#11707
| Job | Run time |
|---|---|
| 1m 55s | |
| 1m 54s | |
| 3m 49s |