docs: improve doctests for ndarray instances in blas/ext/base/ndarray/dcusumkbn2
#26139
| Job | Run time |
|---|---|
| 1m 14s | |
| 1m 14s |
blas/ext/base/ndarray/dcusumkbn2
#26139
| Job | Run time |
|---|---|
| 1m 14s | |
| 1m 14s |