Fix mock path
@@ -1557,7 +1557,7 @@ class TestCubSpmv(unittest.TestCase):
return m * x
# xp is cupy, first ensure we really use CUB
- func = 'cupyx.scipy.sparse.csr.device_csrmv'
+ func = 'cupyx.scipy.sparse.csr.cub.device_csrmv'
with testing.AssertFunctionIsCalled(func):
m * x
# ...then perform the actual computation
