diff --git a/src/test/regress/expected/columnar_index_concurrency.out b/src/test/regress/expected/columnar_index_concurrency.out
index 8235588c0..1079f7c50 100644
--- a/src/test/regress/expected/columnar_index_concurrency.out
+++ b/src/test/regress/expected/columnar_index_concurrency.out
@@ -27,8 +27,10 @@ step s1-check-test-1-2:
     SELECT SUM(a)=30 FROM columnar_table WHERE a=5 OR a=25;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -60,8 +62,10 @@ step s1-check-test-1-2:
     SELECT SUM(a)=30 FROM columnar_table WHERE a=5 OR a=25;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -112,11 +116,15 @@ step s1-check-test-3:
     SELECT SUM(a)=55 FROM columnar_table WHERE a=5 OR a=15 OR a=35;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -176,11 +184,15 @@ step s1-check-test-4:
     SELECT SUM(a)=225 FROM columnar_table WHERE a=25 OR a=35 OR a=45 OR a=55 OR a=65;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -241,8 +253,10 @@ step s1-check-test-1-2:
     SELECT SUM(a)=30 FROM columnar_table WHERE a=5 OR a=25;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -296,11 +310,15 @@ step s1-check-test-3:
     SELECT SUM(a)=55 FROM columnar_table WHERE a=5 OR a=15 OR a=35;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -363,11 +381,15 @@ step s1-check-test-4:
     SELECT SUM(a)=225 FROM columnar_table WHERE a=25 OR a=35 OR a=45 OR a=55 OR a=65;
 
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 ?column?
-
+---------------------------------------------------------------------
 t
+(1 row)
+
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
@@ -392,7 +414,7 @@ step s1-commit:
     COMMIT;
 
 step s2-create-unique-index-concurrently: <... completed>
-error in steps s1-commit s2-create-unique-index-concurrently: ERROR:  could not create unique index "conc_unique_s2_idx"
+ERROR:  could not create unique index "conc_unique_s2_idx"
 step s1-reset-table:
     DROP INDEX IF EXISTS idx_s2, conc_s2_idx, conc_unique_s2_idx, unique_idx_s2, conc_partial_s2_idx;
     TRUNCATE columnar_table;
diff --git a/src/test/regress/expected/columnar_vacuum_vs_insert.out b/src/test/regress/expected/columnar_vacuum_vs_insert.out
index 169546e1e..f229c4c71 100644
--- a/src/test/regress/expected/columnar_vacuum_vs_insert.out
+++ b/src/test/regress/expected/columnar_vacuum_vs_insert.out
@@ -27,14 +27,16 @@ step s1-commit:
 step s2-select:
     SELECT * FROM test_vacuum_vs_insert;
 
-a              b
+a|b
+---------------------------------------------------------------------
+1|2
+2|4
+3|6
+1|2
+2|4
+3|6
+(6 rows)
 
-1              2
-2              4
-3              6
-1              2
-2              4
-3              6
 
 starting permutation: s1-insert s1-begin s1-insert s2-vacuum-full s1-commit s2-select
 step s1-insert:
@@ -49,7 +51,7 @@ step s1-insert:
 step s2-vacuum-full:
     VACUUM FULL VERBOSE test_vacuum_vs_insert;
  <waiting ...>
-step s1-commit:
+step s1-commit: 
     COMMIT;
 
 s2: INFO:  vacuuming "public.test_vacuum_vs_insert"
@@ -59,11 +61,13 @@ step s2-vacuum-full: <... completed>
 step s2-select:
     SELECT * FROM test_vacuum_vs_insert;
 
-a              b
+a|b
+---------------------------------------------------------------------
+1|2
+2|4
+3|6
+1|2
+2|4
+3|6
+(6 rows)
 
-1              2
-2              4
-3              6
-1              2
-2              4
-3              6
diff --git a/src/test/regress/expected/columnar_write_concurrency.out b/src/test/regress/expected/columnar_write_concurrency.out
index 2be90b141..2d98674f7 100644
--- a/src/test/regress/expected/columnar_write_concurrency.out
+++ b/src/test/regress/expected/columnar_write_concurrency.out
@@ -16,19 +16,23 @@ step s2-insert:
 step s1-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+a|b
+---------------------------------------------------------------------
+1|2
+2|4
+3|6
+(3 rows)
 
-1              2
-2              4
-3              6
 step s2-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+a| b
+---------------------------------------------------------------------
+4| 8
+5|10
+6|12
+(3 rows)
 
-4              8
-5              10
-6              12
 step s1-commit:
     COMMIT;
 
@@ -38,14 +42,16 @@ step s2-commit:
 step s1-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+a| b
+---------------------------------------------------------------------
+1| 2
+2| 4
+3| 6
+4| 8
+5|10
+6|12
+(6 rows)
 
-1              2
-2              4
-3              6
-4              8
-5              10
-6              12
 
 starting permutation: s1-begin s2-begin s1-copy s2-insert s1-select s2-select s1-commit s2-commit s1-select
 step s1-begin:
@@ -63,19 +69,23 @@ step s2-insert:
 step s1-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+ a|b
+---------------------------------------------------------------------
+11|
+12|
+13|
+(3 rows)
 
-11
-12
-13
 step s2-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+a| b
+---------------------------------------------------------------------
+4| 8
+5|10
+6|12
+(3 rows)
 
-4              8
-5              10
-6              12
 step s1-commit:
     COMMIT;
 
@@ -85,14 +95,16 @@ step s2-commit:
 step s1-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+ a| b
+---------------------------------------------------------------------
+ 4| 8
+ 5|10
+ 6|12
+11|
+12|
+13|
+(6 rows)
 
-4              8
-5              10
-6              12
-11
-12
-13
 
 starting permutation: s1-begin s2-begin s2-insert s1-copy s1-select s2-select s1-commit s2-commit s1-select
 step s1-begin:
@@ -110,19 +122,23 @@ step s1-copy:
 step s1-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+ a|b
+---------------------------------------------------------------------
+11|
+12|
+13|
+(3 rows)
 
-11
-12
-13
 step s2-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+a| b
+---------------------------------------------------------------------
+4| 8
+5|10
+6|12
+(3 rows)
 
-4              8
-5              10
-6              12
 step s1-commit:
     COMMIT;
 
@@ -132,14 +148,16 @@ step s2-commit:
 step s1-select:
     SELECT * FROM test_insert_concurrency ORDER BY a;
 
-a              b
+ a| b
+---------------------------------------------------------------------
+ 4| 8
+ 5|10
+ 6|12
+11|
+12|
+13|
+(6 rows)
 
-4              8
-5              10
-6              12
-11
-12
-13
 
 starting permutation: s1-truncate s1-begin s1-insert-10000-rows s2-begin s2-insert s2-commit s1-commit s1-verify-metadata
 step s1-truncate:
@@ -180,5 +198,7 @@ step s1-verify-metadata:
     FROM test_insert_concurrency_stripes;
 
 stripe_metadata_for_test_insert_concurrency_ok
-
+---------------------------------------------------------------------
 t
+(1 row)
+