one more test

dbms/tests/queries/0_stateless/00820_multiple_joins.reference

@@ -2,13 +2,12 @@
 6	60	600
 12	120	1200
 18	180	1800
--
 0	0	0
 10	100	1000
 20	200	2000
--
-0	0	0
--
+┌─--t1.a─┬─--t2.a─┬─--t2.b─┬─--t3.b─┬─--t3.c─┬─a─┬─b─┬─c─┐
+│      0 │      0 │      0 │      0 │      0 │ 0 │ 0 │ 0 │
+└────────┴────────┴────────┴────────┴────────┴───┴───┴───┘
 0	0	0	0
 6	6	60	60
 12	12	120	120

dbms/tests/queries/0_stateless/00820_multiple_joins.sql

@@ -18,11 +18,14 @@ INSERT INTO table5 SELECT number * 5, number * 50, number * 500 FROM numbers(10)
 SET allow_experimental_multiple_joins_emulation = 1;
 
 select t1.a, t2.b, t3.c from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b;
-select '-';
 select t1.a, t2.b, t5.c from table1 as t1 join table2 as t2 on t1.a = t2.a join table5 as t5 on t1.a = t5.a AND t2.b = t5.b;
-select '-';
-select t1.a, t2.b, t3.c from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b join table5 as t5 on t3.c = t5.c;
-select '-';
+
+select t1.a, t2.a, t2.b, t3.b, t3.c, t5.a, t5.b, t5.c
+from table1 as t1
+join table2 as t2 on t1.a = t2.a
+join table3 as t3 on t2.b = t3.b
+join table5 as t5 on t3.c = t5.c
+FORMAT PrettyCompactNoEscapes;
 
 select t1.a as t1_a, t2.a as t2_a, t2.b as t2_b, t3.b as t3_b
 from table1 as t1