Merge pull request scipy#23149 from mdhaber/gh23051

TST: ndimage.vectorized_filter: add missing assertion to test

Author: tylerjereddy

scipy/ndimage/tests/test_filters.py

@@ -3001,6 +3001,7 @@ def test_gh23046_feature(self, xp):
 
         ref = ndimage.vectorized_filter(img, xp.mean, size=(2,), axes=(0,))
         res = ndimage.vectorized_filter(img, xp.mean, size=2, axes=0)
+        xp_assert_close(res, ref)
 
     def test_gh23046_fix(self, xp):
         # While investigating the feasibility of gh-23046, I noticed a bug when the