diff --git a/tests/logprob/test_transforms.py b/tests/logprob/test_transforms.py
index 5c88a8ff0e0..1db159d2520 100644
--- a/tests/logprob/test_transforms.py
+++ b/tests/logprob/test_transforms.py
@@ -688,7 +688,8 @@ def test_discrete_rv_unary_transform_fails():
         conditional_logp({y_rv: y_rv.clone()})
 
 
-def test_discrete_rv_multinary_transform_fails():
+# add 2 tests. One fir supported and one for unsupported
+def test_discrete_rv_multinary_transform():
     y_rv = 5 + pt.random.poisson(1)
     with pytest.raises(RuntimeError, match="could not be derived"):
         conditional_logp({y_rv: y_rv.clone()})