diff --git a/t/spectest.data b/t/spectest.data
index 1115a4aea2d..f5b8f551017 100644
--- a/t/spectest.data
+++ b/t/spectest.data
@@ -257,6 +257,7 @@ S16-io/basic-open.t
 S16-io/say.t
 S16-unfiled/slurp.t
 S29-any/cmp.t
+S29-any/isa.t
 S29-array/delete.t
 S29-array/elems.t
 S29-array/exists.t