diff -U3 /tmp/cirrus-ci-build/src/test/isolation/expected/index-killtuples.out /tmp/cirrus-ci-build/src/test/isolation/output_iso/results/index-killtuples.out
--- /tmp/cirrus-ci-build/src/test/isolation/expected/index-killtuples.out	2025-08-23 06:22:23.129642463 +0000
+++ /tmp/cirrus-ci-build/src/test/isolation/output_iso/results/index-killtuples.out	2025-08-23 06:27:50.033169517 +0000
@@ -54,7 +54,7 @@
 step result: SELECT heap_blks_read + heap_blks_hit - counter.heap_accesses AS new_heap_accesses FROM counter, pg_statio_all_tables WHERE relname = 'kill_prior_tuple';
 new_heap_accesses
 -----------------
-                1
+                2
 (1 row)
 
 step measure: UPDATE counter SET heap_accesses = (SELECT heap_blks_read + heap_blks_hit FROM pg_statio_all_tables WHERE relname = 'kill_prior_tuple');
@@ -130,7 +130,7 @@
 step result: SELECT heap_blks_read + heap_blks_hit - counter.heap_accesses AS new_heap_accesses FROM counter, pg_statio_all_tables WHERE relname = 'kill_prior_tuple';
 new_heap_accesses
 -----------------
-                1
+                2
 (1 row)
 
 step measure: UPDATE counter SET heap_accesses = (SELECT heap_blks_read + heap_blks_hit FROM pg_statio_all_tables WHERE relname = 'kill_prior_tuple');
@@ -283,7 +283,7 @@
 step result: SELECT heap_blks_read + heap_blks_hit - counter.heap_accesses AS new_heap_accesses FROM counter, pg_statio_all_tables WHERE relname = 'kill_prior_tuple';
 new_heap_accesses
 -----------------
-                1
+                2
 (1 row)
 
 step measure: UPDATE counter SET heap_accesses = (SELECT heap_blks_read + heap_blks_hit FROM pg_statio_all_tables WHERE relname = 'kill_prior_tuple');