[tests] deal with the No Such Record lines in the output of `dns-sd…
#2124
| Job | Run time |
|---|---|
| 14m 22s | |
| 30m 23s | |
| 33m 8s | |
| 21m 7s | |
| 9m 17s | |
| 23m 23s | |
| 33m 0s | |
| 29m 42s | |
| 31m 31s | |
| 1m 34s | |
| 3h 47m 27s |