test: add test for nw.Expr|Series.str.contains with literal=True
#3488
| Job | Run time |
|---|---|
| 1m 57s | |
| 1m 50s | |
| 3m 21s | |
| 1m 48s | |
| 2m 8s | |
| 1m 42s | |
| 1m 24s | |
| 48s | |
| 14m 58s |
nw.Expr|Series.str.contains with literal=True
#3488
| Job | Run time |
|---|---|
| 1m 57s | |
| 1m 50s | |
| 3m 21s | |
| 1m 48s | |
| 2m 8s | |
| 1m 42s | |
| 1m 24s | |
| 48s | |
| 14m 58s |