test: improve coverage for json/lex_string.mbt
#5092
| Job | Run time |
|---|---|
| 2s | |
| 8s | |
| 2m 14s | |
| 3m 29s | |
| 4m 48s | |
| 19s | |
| 2m 34s | |
| 2s | |
| 3m 43s | |
| 3m 29s | |
| 2m 46s | |
| 2m 30s | |
| 3m 47s | |
| 3m 8s | |
| 32m 59s |
json/lex_string.mbt
#5092
| Job | Run time |
|---|---|
| 2s | |
| 8s | |
| 2m 14s | |
| 3m 29s | |
| 4m 48s | |
| 19s | |
| 2m 34s | |
| 2s | |
| 3m 43s | |
| 3m 29s | |
| 2m 46s | |
| 2m 30s | |
| 3m 47s | |
| 3m 8s | |
| 32m 59s |