Add new expected output for unsupported regresison test

Author: Marina Polyakova

Diff for: expected/unsupported.out

@@ -339,11 +339,13 @@ EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
 (18 rows)
 
 -- No prediction for top SeqScan, because it fss is changed
+SELECT str FROM expln('
 EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
 	SELECT * FROM t WHERE
 			x = (SELECT x FROM t t0 WHERE t0.x = t.x LIMIT 1) AND
 			x IN (SELECT x FROM t t0 WHERE t0.x = t.x);
-                        QUERY PLAN                         
+') AS str WHERE str NOT LIKE '%Memory Usage%';
+                            str                            
 -----------------------------------------------------------
  Seq Scan on t (actual rows=1000 loops=1)
    AQO not used