diff --git a/src/test/regress/expected/pg15_create_drop_database_propagation_0.out b/src/test/regress/expected/pg15_create_drop_database_propagation_0.out
new file mode 100644
index 000000000..b1ed9cc5b
--- /dev/null
+++ b/src/test/regress/expected/pg15_create_drop_database_propagation_0.out
@@ -0,0 +1,9 @@
+--
+-- PG15
+--
+SHOW server_version \gset
+SELECT substring(:'server_version', '\d+')::int >= 15 AS server_version_ge_15
+\gset
+\if :server_version_ge_15
+\else
+\q