diff -U3 /tmp/cirrus-ci-build/src/test/isolation/expected/matview-write-skew.out /tmp/cirrus-ci-build/src/test/isolation/output_iso/results/matview-write-skew.out
--- /tmp/cirrus-ci-build/src/test/isolation/expected/matview-write-skew.out	2024-10-21 09:36:52.745188269 +0000
+++ /tmp/cirrus-ci-build/src/test/isolation/output_iso/results/matview-write-skew.out	2024-10-21 09:41:47.916627669 +0000
@@ -1,121 +1,6 @@
 Parsed test spec with 2 sessions
 
 starting permutation: s1_begin s2_begin s1_refresh s2_read s2_insert s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s2_insert: INSERT INTO orders VALUES ('2022-04-02', 'orange', 15);
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s1_refresh s2_read s2_update s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s2_update: UPDATE orders SET num = num + 1;
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s2_read s1_refresh s2_insert s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s2_insert: INSERT INTO orders VALUES ('2022-04-02', 'orange', 15);
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s2_read s1_refresh s2_update s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s2_update: UPDATE orders SET num = num + 1;
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s2_read s2_insert s1_refresh s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s2_insert: INSERT INTO orders VALUES ('2022-04-02', 'orange', 15);
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s2_read s2_update s1_refresh s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s2_update: UPDATE orders SET num = num + 1;
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s1_refresh s2_insert s2_read s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s2_insert: INSERT INTO orders VALUES ('2022-04-02', 'orange', 15);
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
-
-starting permutation: s1_begin s2_begin s1_refresh s2_update s2_read s1_commit s2_commit
-step s1_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s2_begin: BEGIN ISOLATION LEVEL SERIALIZABLE;
-step s1_refresh: REFRESH MATERIALIZED VIEW CONCURRENTLY order_summary;
-step s2_update: UPDATE orders SET num = num + 1;
-step s2_read: SELECT max(date) FROM order_summary;
-       max
-----------
-04-01-2022
-(1 row)
-
-step s1_commit: COMMIT;
-step s2_commit: COMMIT;
-ERROR:  could not serialize access due to read/write dependencies among transactions
+setup failed: server closed the connection unexpectedly
+	This probably means the server terminated abnormally
+	before or while processing the request.