tests: add fixture for generate_from_grammar=true
#2
| Job | Run time |
|---|---|
| 1m 41s | |
| 1m 30s | |
| 3m 11s |
generate_from_grammar=true
#2
| Job | Run time |
|---|---|
| 1m 41s | |
| 1m 30s | |
| 3m 11s |