diff --git a/test_runner/zenith_regress/expected/zenith-truncate.out b/test_runner/zenith_regress/expected/zenith-truncate.out
new file mode 100644
index 0000000000..d869e33089
--- /dev/null
+++ b/test_runner/zenith_regress/expected/zenith-truncate.out
@@ -0,0 +1,9 @@
+create table tt(x integer);
+insert into tt values (generate_series(1,10000));
+delete from tt;
+vacuum tt;
+insert into tt values (generate_series(1,10000));
+delete from tt;
+vacuum tt;
+insert into tt values (generate_series(1,10000));
+drop table tt;