docs: improve doctests for ndarray instances in blas/ext/base/ndarray/gcusumkbn
#31686
| Job | Run time |
|---|---|
| 2m 23s | |
| 2m 23s |
blas/ext/base/ndarray/gcusumkbn
#31686
| Job | Run time |
|---|---|
| 2m 23s | |
| 2m 23s |