diff -U3 /tmp/cirrus-ci-build/src/test/modules/injection_points/expected/index-concurrently-upsert-predicate.out /tmp/cirrus-ci-build/build/testrun/injection_points/isolation/results/index-concurrently-upsert-predicate.out
--- /tmp/cirrus-ci-build/src/test/modules/injection_points/expected/index-concurrently-upsert-predicate.out	2025-12-10 12:03:43.047460000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/injection_points/isolation/results/index-concurrently-upsert-predicate.out	2025-12-10 12:14:21.204892000 +0000
@@ -47,16 +47,7 @@
 	SELECT injection_points_detach('define-index-before-set-valid');
 	SELECT injection_points_wakeup('define-index-before-set-valid');
 
-injection_points_detach
------------------------
-                       
-(1 row)
-
-injection_points_wakeup
------------------------
-                       
-(1 row)
-
+ERROR:  could not detach injection point "define-index-before-set-valid"
 step s2_start_upsert: 
 	INSERT INTO test.tbl VALUES(13,now()) ON CONFLICT (abs(i)) WHERE i < 100 DO UPDATE SET updated_at = now();
  <waiting ...>
@@ -120,4 +111,6 @@
 
 step s1_start_upsert: <... completed>
 step s2_start_upsert: <... completed>
+isolationtester: canceling step s3_start_create_index after 360 seconds
 step s3_start_create_index: <... completed>
+ERROR:  canceling statement due to user request