Change querytables expect test

test/CDB_QueryTablesTest_expect

@@ -7,7 +7,7 @@ SELECT 1 as col1; select 2 as col2|{}
 WARNING:  CDB_QueryTables cannot explain query: select 1 from nonexistant (42P01: relation "nonexistant" does not exist)
 ERROR:  relation "nonexistant" does not exist
 begin; select * from pg_class; commit;|{pg_catalog.pg_class}
-WARNING:  CDB_QueryTables cannot explain query: select * from test (42P01: relation "test" does not exist)
+WARNING:  CDB_QueryTables cannot explain query: insert into test values (1) (42P01: relation "test" does not exist)
 ERROR:  relation "test" does not exist
 WITH a AS (select * from pg_class) select * from a|{pg_catalog.pg_class}
 CREATE SCHEMA