[TD-225] add test cases.

tests/script/general/parser/join_multivnode.sim

@@ -315,4 +315,7 @@ if $data03 != 0 then
   return -1
 endi
 
+select count(join_mt0.c1), first(join_mt0.c1)-last(join_mt1.c1), first(join_mt1.c9) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts;", NULL);
+select count(join_mt0.c1), first(join_mt0.c1)-last(join_mt0.c1), first(join_mt1.c9) from join_mt0, join_mt1 where join_mt0.t1=join_mt1.t1 and join_mt0.ts=join_mt1.ts;", NULL);
+
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file