diff --git a/src/test/regress/expected/fast_default.out b/src/test/regress/expected/fast_default.out
index ef8d04f..f3d783c 100644
*** a/src/test/regress/expected/fast_default.out
--- b/src/test/regress/expected/fast_default.out
*************** DROP TABLE has_volatile;
*** 548,550 ****
--- 548,561 ----
  DROP EVENT TRIGGER has_volatile_rewrite;
  DROP FUNCTION log_rewrite;
  DROP SCHEMA fast_default;
+ -- Leave a table with an active fast default in place, for pg_upgrade testing
+ set search_path = public;
+ create table has_fast_default(f1 int);
+ insert into has_fast_default values(1);
+ alter table has_fast_default add column f2 int default 42;
+ table has_fast_default;
+  f1 | f2 
+ ----+----
+   1 | 42
+ (1 row)
+ 
diff --git a/src/test/regress/sql/fast_default.sql b/src/test/regress/sql/fast_default.sql
index 0e66033..7b9cc47 100644
*** a/src/test/regress/sql/fast_default.sql
--- b/src/test/regress/sql/fast_default.sql
*************** DROP TABLE has_volatile;
*** 369,371 ****
--- 369,378 ----
  DROP EVENT TRIGGER has_volatile_rewrite;
  DROP FUNCTION log_rewrite;
  DROP SCHEMA fast_default;
+ 
+ -- Leave a table with an active fast default in place, for pg_upgrade testing
+ set search_path = public;
+ create table has_fast_default(f1 int);
+ insert into has_fast_default values(1);
+ alter table has_fast_default add column f2 int default 42;
+ table has_fast_default;