test_runner: do not error when getting fullName of root context
#66540
| Job | Run time |
|---|---|
| 3m 7s | |
| 44m 50s | |
| 47m 57s |
fullName of root context
#66540
| Job | Run time |
|---|---|
| 3m 7s | |
| 44m 50s | |
| 47m 57s |