diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/replorigin.out /tmp/cirrus-ci-build/build/testrun/test_decoding/regress/results/replorigin.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/replorigin.out	2025-07-05 07:08:07.133466000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/regress/results/replorigin.out	2025-07-05 07:11:39.037152000 +0000
@@ -39,8 +39,9 @@
 
 -- ensure duplicate creations fail
 SELECT pg_replication_origin_create('regress_test_decoding: regression_slot');
-ERROR:  duplicate key value violates unique constraint "pg_replication_origin_roname_index"
-DETAIL:  Key (roname)=(regress_test_decoding: regression_slot) already exists.
+ERROR:  could not create object because a conflicting object already exists
+DETAIL:  Key (roname)=(regress_test_decoding: regression_slot) conflicts with existing entry in unique index pg_replication_origin_roname_index.
+HINT:  Another session might have created an object with the same key concurrently.
 --ensure deletions work (once)
 SELECT pg_replication_origin_create('regress_test_decoding: temp');
  pg_replication_origin_create